# BuhoCleaner Overview

BuhoCleaner is the simple, fast Mac Cleaner app that you’ll love to use on a daily basis. With BuhoCleaner, you can
easily clean up macOS system junk files, reclaim gigabytes of free storage, uninstall bloated apps, scan and remove
Large/Duplicate files, and do an array of amazing macOS optimization things in Toolkit.

## BuhoCleaner Dashboard

BuhoCleaner is powerful yet easy to use. When you open BuhoCleaner, you’ll see a list of main features in its dashboard,
like Flash Clean, App Uninstall, Large Files, Duplicates, Startup Items, Toolkit etc. You can easily navigate Mac
cleaning and optimizing functions from one to another from BuhoCleaner dashboard.

![BuhoCleaner Dashboard](https://www.drbuho.com/str-api/uploads/overview_1_b576a40684.png)

### Flash Clean

Flash Clean is the first and the most essential macOS cleaning feature we present to you in BuhoCleaner. You can easily
clean up macOS system junk, application junk, and browser junk in just a few clicks. 
[Learn More about BuhoCleaner Flash Clean >](/buhocleaner/guide/flash-clean)

![Flash Clean](https://www.drbuho.com/str-api/uploads/overview_2_a8d9d79305.png)

### App Uninstall

When using the regular way to uninstall applications from Mac, you may have a large amount of app leftover junk
occupying your Mac storage. The App Uninstall feature in BuhoCleaner helps uninstall app on Mac and get rid of all app
associated cache, cookies, preference, and other orphaned junk files thoroughly. 
[Learn More about BuhoCleaner App Uninstall >](/buhocleaner/guide/app-uninstall)

![App Uninstall](https://www.drbuho.com/str-api/uploads/overview_3_c08c284abf.png)

### Large Files

Don't let the large or the old files that you never use to waste your Mac storage. You can use the Large Files feature
to sort Audio, Video, Image, Documents, Archives, and all files that take too much hard disk space. 
[Learn More about BuhoCleaner Large Files >](/buhocleaner/guide/large-file)

![Large Files](https://www.drbuho.com/str-api/uploads/overview_4_e7be444217.png)

### Duplicates

Have a long time that you forget to clear away duplicates and clutters in Documents, Desktop, Photo Library and other
commonly used file folders? Duplicates offers blazing fast solution to scan your selected file folder, find and delete
all identical files that don't need to exist. 
[Learn More about BuhoCleaner Duplicates >](/buhocleaner/guide/duplicate-file)

![Duplicates](https://www.drbuho.com/str-api/uploads/overview_5_c4281ade9e.png)

### Startup Items

Login or Startup items are apps that open automatically when you start up or log in to your Mac. Startup Items offers a
smart macOS optimization solution by showing all login items and startup services. 
[Learn More about BuhoCleaner Startup Items >](/buhocleaner/guide/startup-items)

![Startup Items](https://www.drbuho.com/str-api/uploads/overview_6_363b33500f.png)

### Toolkit

Having trouble with your Mac? BuhoCleaner can do a set of regular minimization and diagnostic checkups for your Mac with
its Toolkit feature. Securely shred unwanted files, free up RAM, reindex Spotlight, flush DNS cache, and many new macOS
maintenance features are just coming next. 

- [Learn More about Disk Space Analyzer >](/buhocleaner/guide/disk-space-analysis)
- [Learn More about Shredder >](/buhocleaner/guide/shred-file)
- [Learn More about Freeing Up RAM > ](/buhocleaner/guide/free-up-ram)
- [Learn More about Reindexing Spotlight > ](/buhocleaner/guide/reindex-spotlight)
- [Learn More about Flushing DNS Cache > ](/buhocleaner/guide/flush-dns-cache)

![BuhoCleaner Toolkit](https://www.drbuho.com/str-api/uploads/overview_7_3a5bbc527a.png)

## BuhoCleaner Menu

BuhoCleaner menu makes it easy to monitor your Mac performance in real time. You can see your Mac CPU load, temperature,
fan speed, RAM usage, network speed and storage status right from your Mac menu bar. 
[Learn More about BuhoCleaner Menu >](/buhocleaner/guide/menu)

![menu-en](https://www.drbuho.com/str-api/uploads/menu_en_07e9d98bf2)

## Preferences

If you want to customize BuhoCleaner settings to let it fit your need better, use Preferences panel to change how you
want BuhoCleaner to detect updates, what items you want to include/exclude in Flash Clean, and more app settings in
BuhoCleaner. Also see how to update BuhoCleaner to enjoy more stunning features. 

- [Learn More about BuhoCleaner Preferences >](/buhocleaner/guide/preferences)

![BuhoCleaner Preferences](https://www.drbuho.com/str-api/uploads/overview_8_fe06b33911.png)

About BuhoCleaner

# BuhoCleaner Menu

BuhoCleaner Menu is the core part of our Mac cleaning solution which will automatically launch when you login to your Mac. It runs it the background and simultaneously shows all checkups for your Mac performance, including the CPU load, CPU temperature, fan speed, RAM usage, Network speed, HD drive disk space usage, etc. You can also take actions to free RAM, clear HD Macintoch storage, open BuhoCleaner or its preferences.

![menu-1](https://www.drbuho.com/str-api/uploads/menu_1_ea5e9fb6fe)

## Mac CPU Monitor

When clicking the BuhoCleaner Menu from your Mac menu bar, you can see the results of your Mac CPU monitor, including CPU load, CPU temperature, CPU fan speed. Since the CPU usage continuously varies based on running activities on your computer, you can choose to close particular apps that consume too much CPU power source.

![monitor](https://www.drbuho.com/str-api/uploads/monitor_582270bc3e)

## Free Mac RAM

From the RAM section in BuhoCleaner Menu, you can see the amount of system RAM memory being used on your Mac. The blue dot graphically represents the RAM memory pressure and how efficiently your memory is serving your processing needs. By clicking the Flash icon, you can easily free up RAM on your Mac.

![free-ram](https://www.drbuho.com/str-api/uploads/free_ram_ac6afcc491)

## Mac Network Speed Monitor

BuhoCleaner Menu also features Network Speed Monitor utility, which is designed to display your current network speed in menu bar, including the downloading and uploading speed.

![network-speed](https://www.drbuho.com/str-api/uploads/network_speed_7e61662108)

## Check Mac Storage

BuhoCleaner Menu indicates the overall usage of your Mac hard drive disk storage. If you feel your Mac is running out of space, simply click the Trash icon and the BuhoCleaner Menu will initiate the main app, run the Flash Clean and show you how much free storage space you can reclaim with BuhoCleaner.

![check-storage](https://www.drbuho.com/str-api/uploads/check_storage_0b0f8ccf24)

## Do More with BuhoCleaner Menu

At the bottom of BuhoCleaner Menu app, you can click Open BuhoCleaner to launch the main program. Or you can click Drbuho logo to visit our homepage. In addition, you can open the BuhoCleaner preference panel to adjust the preset settings.

![menu-2](https://www.drbuho.com/str-api/uploads/menu_2_7d8288f0e6)

BuhoCleaner Menu

# BuhoCleaner Trial

BuhoCleaner comes with a free version and a paid version. The free version has limited features, while the paid version has no any limitations.

What you can do with the trial version:

-   Scan your Mac.
-   Remove up to 3GB of files for free. (After that, you can delete files manually.)
-   Manage your startup programs.
-   Find large and duplicate files.
-   Free up RAM.
-   Shred files.
-   Reindex Spotlight.
-   Clear DNS Cache.
-   Monitor CPU load and temperature, fan speed, ram usage, and network speed in the status bar.

![buhocleaner-trial-version-en](https://www.drbuho.com/str-api/uploads/buhocleaner_trial_version_en_7108d1589e)

If you want to unlock more features, such as one-click uninstallation of apps and cleanup of junk files, you can go to our [Buy](/buhocleaner/buy) page and purchase a license key. After that, you will be able to enjoy:

-   Full features of BuhoCleaner
-   Lifetime Free Upgrades
-   24/7 Sales and Technical Support
-   30 Day Money-Back Guarantee

![buhocleaner-full-version-en](https://www.drbuho.com/str-api/uploads/buhocleaner_full_version_en_c9771fff50)

BuhoCleaner Trial

# Uninstalling BuhoCleaner

To uninstall BuhoCleaner, you can use the easy method by dragging the app icon from Applications folder to trash. To do so: Open Finder app > Applications > Find BuhoCleaner app icon > Drag it to Trash or right click the mouse and select **Move To Trash** option in context menu.

![uninstall-1](https://www.drbuho.com/str-api/uploads/uninstall_1_d54f4f59a0)

When using the regular way to uninstall BuhoCleaner or other apps on your Mac, it has chance you’ll leave a portion of app leftovers. You can use the App Uninstall feature to remove BuhoCleaner itself from your Mac.

Here are the steps:

1.  Launch BuhoCleaner.
2.  Choose App Uninstall and click the Scan button.Quickly Uninstall BuhoCleaner
    ![Quickly Uninstall BuhoCleaner](https://www.drbuho.com/str-api/uploads/quickly_uninstall_buhocleaner_9c838b560f.png)
3.  In the app list, check the box next to BuhoCleaner and click the Remove button.Uninstall BuhoCleaner
    ![Uninstall BuhoCleaner](https://www.drbuho.com/str-api/uploads/uninstall_buhocleaner_a723f881f2.png)
4.  Confirm your uninstallation, click the Uninstall button, and all files related to BuhoCleaner will be wiped out.Confirm Your Uninstallation
    ![Confirm Your Uninstallation](https://www.drbuho.com/str-api/uploads/confirm_uninstallation_a68ed42bdb.png)

Hopefully you uninstall BuhoCleaner just because you want to move it to another Mac. BuhoCleaner is good value for money. Hope to see you again.

We are working hard to improve your experience with BuhoCleaner. If you have any feedback, please feel free to contact us at [support@drbuho.com](mailto:support@drbuho.com) and we will get back to you within 24 hours.

Uninstalling BuhoCleaner

# Installing BuhoCleaner

Before installing BuhoCleaner, let's see what the system requirements are.

-   macOS 10.10 and Later.
-   Macs with Intel or Apple Silicon Chips.
-   54 MB of free space.

## How to Install BuhoCleaner on Your Mac

If your Mac is ready, follow the steps below to install BuhoCleaner on your Mac.

1.  Go to our [Download](https://www.drbuho.com/buhocleaner/download) page.
2.  Click the Download button and the download will start automatically.
    ![download-buhocleaner-en](https://www.drbuho.com/str-api/uploads/download_buhocleaner_en_d9c35592f3)
3.  After the download is complete, double-click the DMG file you downloaded and drag BuhoCleaner to Applications.
    ![install-buhocleaner-en](https://www.drbuho.com/str-api/uploads/install_buhocleaner_en_c22a71d8c6)

Congratulations! You have successfully installed BuhoCleaner. Go clean up your Mac now.
![clean-mac-with-buhocleaner-en](https://www.drbuho.com/str-api/uploads/clean_mac_with_buhocleaner_en_7ccca33dcc)

Installing BuhoCleaner

# Activating BuhoCleaner

Follow the steps below to activate all the features of BuhoCleaner.

## How to Activate BuhoCleaner

1.  Launch BuhoCleaner via Spotlight or Launchpad.
2.  Click the Unlock Full Version button in the lower left corner of BuhoCleaner, then click Enter Activation Code.
    ![unlock-buhocleaner-full-version\_en](https://www.drbuho.com/str-api/uploads/unlock_buhocleaner_full_version_en_f585127ac4)
3.  **Paste** your activation code into the box and click the OK button. (It is not recommended to enter your activation code manually.)
    ![enter-activation-code\_en](https://www.drbuho.com/str-api/uploads/enter_activation_code_en_1bafc0ce40)
4.  Enjoy all the features of BuhoCleaner.
    ![activation-sucess\_en](https://www.drbuho.com/str-api/uploads/activation_sucess_en_e51357d3cb)
 
 ### What to Do If You Can't Activate BuhoCleaner?
  
When you get the message that BuhoCleaner could not be activated, check if the activation code you entered is correct. Manually entering the activation code may cause errors. We recommend that you copy and paste your activation code directly.
  
There are three types of Code.

**Full License Code**: consists of 5 sets of characters and numbers separated by a hyphen of length 28. Its format is something like this: ABCDE-12345-ABCDE-12345-ABCD.

**Trial License Code** : consists of characters and numbers of length 10. Its format is something like this: ABCDE12345.

The trial license code may be expired when you entered them, if so, contact us to get a new one.

**Coupon Code** : A coupon code can't activate BuhoCleaner directly, instead, you should [get a license code with a coupon code](https://www.drbuho.com/buhocleaner/guide/get-activation-number).


Still unable to activate BuhoCleaner? Contact us at [support@drbuho.com](mailto:support@drbuho.com).

Activating BuhoCleaner

# Changing BuhoCleaner Language

We aim at serving Mac users from around the world by localizing BuhoCleaner to support multiple languages.Currently you can use BuhoCleaner in English, Spanish, French, German, Italian, Japanese, Portuguese, Russian, Korean, Traditional Chinese, Simplified Chinese.We will support more languages in the future.If you enjoy using our app, and have part time for distributing to our program, [Join in Us](mailto:contact@drbuho.com) to become a BuhoCleaner Translation Volunteer.

## Customize BuhoCleaner Language

To facilitate your usage, we set our BuhoCleaner app to automatically select the language according to region settings in your System Preferences app. Otherwise, you can change the language in BuhoCleaner to your preferred language by following the steps below.

1.Open System Preferences on your Mac > Choose Language & Region.

![custom-language-1](https://www.drbuho.com/str-api/uploads/custom_language_1_8cb038a2b1)

2.Navigate to Apps > Click **Plus** icon > Click **Application** drop box and select BuhoCleaner > Click **Language** drop box to choose the language that you're preferred to use > Click **Add**.

![custom-language-2](https://www.drbuho.com/str-api/uploads/custom_language_2_fee5ba51f5)

3.Click **Relaunch Now** to confirm relaunching BuhoCleaner and make the language customization taking effect.

![custom-language-3](https://www.drbuho.com/str-api/uploads/custom_language_3_528b30180f)

4.When BuhoCleaner relaunches, you can use it in the language you chosen.

![custom-language-4](https://www.drbuho.com/str-api/uploads/custom_language_4_9eaf15e212)

Changing BuhoCleaner Language

# License Key Doesn't Work

The license key is to activate all the features of BuhoCleaner. If your license key doesn't work, follow this guide to know why and how to fix it.

## BuhoCleaner License Key Doesn't Work, Why?

The reasons why the license key you entered doesn't work are:

-   You entered the wrong license key.
-   You entered a coupon code instead of an activation code.

## Solutions to This Problem

1.  It is recommended that you copy and paste your license key into the activation box of BuhoCleaner.
2.  Make sure the code you entered is an activation code.

Here is our activation code format:

**Full Activation Code**:  `ABCDE-12345-ABCDE-12345-ABCD`

**Trial Activation Code**:  `ABCDE12345`

Please note that the trial activation code will expire. If you would like to extend your trial period before making a purchase, contact us at [support@drbuho.com](mailto:support@drbuho.com) for a new trial code.

If you have a coupon code for BuhoCleaner, follow [this guide](/buhocleaner/guide/discounts) to redeem the coupon code for an activation code.

License Key Doesn't Work

# License Key Not Received

If you purchased BuhoCleaner and did not receive a license key, please follow this guide for possible causes and solutions.

## Why Didn't I Receive a License Key After I Purchased BuhoCleaner?

We are terribly sorry about this. Basically, after successful payment, you will receive an email from Paddle where you can find your license key. Here are the possible reasons why you could not receive the email.

-   There was a technical issue with Paddle.
-   You entered the wrong email address.
-   We did not receive your payment.
-   Your email is preventing Paddle from sending you emails. (Or the email from Paddle was added to your Spam folder).

## The Solution to This Problem

Please make sure you have successfully paid. Then, contact us at [support@drbuho.com](mailto:support@drbuho.com) (don't forget to include a screenshot of your transaction). We will get back to you within 24 hours and send you your license key directly.

License Key Not Received

# Moving BuhoCleaner to Another Mac

We are working on a feature that will allow users to easily move BuhoCleaner to another Mac. Until then, you can do it manually. Follow the steps below.

1.  Open BuhoCleaner on your old Mac.
2.  Click the BuhoCleaner menu and choose Activation Status.
3.  Click the Deactivate License button in the upper right corner of the new window and confirm your action, and your BuhoCleaner will be deactivated.
    ![deactivate-buhocleaner-en](https://www.drbuho.com/str-api/uploads/deactivate_buhocleaner_en_992cfd7c44)
4.  [Download](/buhocleaner/download), install, and launch BuhoCleaner on your new Mac.
5.  Click the Unlock Full Version button, then click Enter Activation Code, paste your license key into the box, and click Activate.
    ![unlock-buhocleaner-full-version-en](https://www.drbuho.com/str-api/uploads/unlock_buhocleaner_full_version_en_69dcbff684)
6.  If you forget your license key, you can find it in the email from Paddle. If not, please email [support@drbuho.com](mailto:support@drbuho.com) with the email address you entered when purchasing BuhoCleaner. We will get back to you within 24 hours and send your license key directly to you.

Moving BuhoCleaner to Another Mac

## Updating BuhoCleaner

You can update BuhoCleaner to the latest version in several ways. One easy mean is to click the menu bar at the top of the screen, which displays the top-level menus in BuhoCleaner > then click **Check for Updates**.

![update-1](https://www.drbuho.com/str-api/uploads/update_1_ec7ceceeac)

Alternatively, you can go to BuhoCleaner Menu app > Click the **Settings** icon > **Check for Updates**.

![update-2](https://www.drbuho.com/str-api/uploads/update_2_25965f67b9)

It's also suggested to enable the BuhoCleaner automatically check for updates feature. To do so: Open BuhoCleaner Preferences > General > Check the **Automatically keep BuhoCleaner up to date**.

![BuhoCleaner Automatically Update](https://www.drbuho.com/str-api/uploads/buhocleaner_update_dab502b5ee.png)

Updating BuhoCleaner

# Coupon Codes & Discounts

From time to time, BuhoCleaner may release coupon codes or run events (especially on sales days). You can get details of the offers from our [Buy](https://www.drbuho.com/buhocleaner/buy) page.

We also distribute our product on platforms like ProductHunt and StackSocial. You can visit them to find the latest offers of BuhoCleaner.

## How to Use Coupon Code When Purchasing BuhoCleaner

If you have a coupon code for BuhoCleaner, follow the steps below to apply it when purchasing BuhoCleaner.

1.  Go to our [Buy](https://www.drbuho.com/buhocleaner/buy) page.
2.  Select the right plan according to your coupon code and click the Buy Now button.
    ![buy-buhocleaner-en](https://www.drbuho.com/str-api/uploads/buy_buhocleaner_en_aa70df1ce9)
3.  Enter your email address, tick the Newsletter option if needed, and click the Continue button. (Please double check your email address before proceeding in case you cannot receive your license key.)
    ![enter-email-address-en](https://www.drbuho.com/str-api/uploads/enter_email_address_en_f61f107f65)
4.  Select your country, enter your zip code if required, and click Continue.
    ![choose-location-en](https://www.drbuho.com/str-api/uploads/choose_location_en_8b8b8902a4)
5.  Click the Add Coupon button below the price information, paste your coupon code, then click the Add Coupon button.
    ![add-coupon-en](https://www.drbuho.com/str-api/uploads/add_coupon_en_2a6a2e9f6c)
6.  You will see the discounted price. Select the payment method that suits you, enter your payment details, and click Complete Checkout. (If you have already paid on our distribution site, the price will be free. You just need to click the Complete Checkout button.)
    ![applied-code-successfully-en](https://www.drbuho.com/str-api/uploads/applied_code_successfully_en_6967c8f0f4)
7.  You will see this window after completing the checkout steps.
    ![checkout-success-en](https://www.drbuho.com/str-api/uploads/checkout_success_en_7564e0c42a)
8.  Check the email from Paddle in your inbox and you will find your license key.
    ![find-your-license-key-en](https://www.drbuho.com/str-api/uploads/find_your_license_key_en_90b14889bf)

**Related Article**: [How to Activate BuhoCleaner](/buhocleaner/guide/activation)

Coupon Codes & Discounts

# Flash Cleaning

For whatever the purpose you use BuhoCleaner, it's suggested to do a basic scan for your Mac with the Flash Clean feature. With a few simple clicks, you can have clear idea on your Mac storage status. Here are basic steps on how to use Flash Clean.

## Before Start - Grant Full Disk Access

We encourage you to authorize the Full Disk Access to our app so as to let BuhoCleaner scan your macOS disk with a higher level of permission. To do so:

1.  Open BuhoCleaner, in Flash Clean interface, click **Grant Access**:
    ![Grant Access](https://www.drbuho.com/str-api/uploads/flash_clean_1_8f8f0ce509.png)
2.  The program will open your System Preferences app and direct you to the Security & Privacy > Privacy > Full Disk Access.
    ![flash\_clean\_3](https://www.drbuho.com/str-api/uploads/flash_clean_3_ddad4a6b1a)
3.  Now click the **Lock** icon:
    ![flash\_clean\_4](https://www.drbuho.com/str-api/uploads/flash_clean_4_d493986c3e)
4.  Enter your macOS passcode to allow this change. Then click **Unlock**.
    ![flash\_clean\_5](https://www.drbuho.com/str-api/uploads/flash_clean_5_0e0e81f522)
5.  After that, in the app list above, click BuhoCleaner check box > **Quit & Reopen**.
    ![flash\_clean\_6](https://www.drbuho.com/str-api/uploads/flash_clean_6_8f97785bf4)
6.  Once the system reopens the program, it denotes you have successfully enabled BuhoCleaner to get full disk access. Now you can see the **Please authorize full disk access to find more result. Grant Access** sign no longer appears.
    ![overview_1.png](https://www.drbuho.com/str-api/uploads/overview_1_b576a40684.png)

## How To Use Flash Clean

1.  Open BuhoCleaner, from its initial screen, click Scan to start.
    ![How To Use Flash Clean Step 1](https://www.drbuho.com/str-api/uploads/flash_clean_2_980bd0a4a7.png)

2.  When BuhoCleaner begins to scan your Mac hard drive disk, you can see how it processes the scanning with the following details:
    ![flash_clean_3.png](https://www.drbuho.com/str-api/uploads/flash_clean_3_b58554eb19.png)

*     a): Scanning progress.
*     b): Scan result in file size.
*     c): Each junk file processed.
*     d): macOS junk file categories and results.

3.  When the scanning is over, you see a total amount of data that can be removed safely. Also you can view how much storage space occupied by the macOS system junk files. Click **View Details** to check specific information.
    ![flash_clean_4.png](https://www.drbuho.com/str-api/uploads/flash_clean_4_d199886643.png)

4.  In this junk file summary window, you can review all unneeded files. Here are the detailed explanations on each macOS system junk file type.
    ![flash_clean_5.png](https://www.drbuho.com/str-api/uploads/flash_clean_5_ee72fceccc.png)

    -   **User Cache Files**: User cached data on your Mac computer helps speed up the downloading the data from Internet or stored in iCloud. These cache data needs to be cleared periodically to make your Mac run more efficiently.
    -   **System Log Files**: Every Mac has system log files stored inside its memory. Mac saves these system log files mainly for developers to diagnose and troubleshoot errors with macOS and system applications when they occur.
    -   **Browser Cache**: The Safari, Chrome, Firefox or other browser app may save tons of cached data that consists the temporary media files, such as images and text files. They're gathered from sites you visit.
    -   **Unused DMG Files**: Apple Disk Image is a disk image format commonly used by the macOS. When opened, a DMG file is mounted as a volume within the Finder. After installation, these DMG files may be no longer useful.
    -   **User Log Files**: When an app crashes, you usually are asked to submit a error log file containing the bug report. The accumulated user logs gathered on your Mac may occupy a portion of storage space.
    -   **System Cache Files**: macOS uses cache data to speed up system startup time. It's important to clear your cache periodically to help make your computer's applications run more efficiently.
    -   **Xcode Junk**: By clearing intermediate builds and project indexes, you can not only reclaim free storage but also fix unwanted Xcode crashes and errors.
    -   **Trash Can**: The Trash is a temporary storage space for files that have been deleted in a file manager by the user. They won't be permanently erased from your Mac unless you do the deletion manually.

5.  You can do some further operations in this macOS system junk summary window.
    ![flash_clean_6.png](https://www.drbuho.com/str-api/uploads/flash_clean_6_ebe24b0cd8.png)
    1.  Click **Back** to return to last screen.
    2.  Choose to **Select All / Deselect All** items.
    3.  Sort junk data by **Size / Name**. Filter by **Ascending / Descending**.
    4.  Select or deselect a certain type of junk file.
    5.  Sort by **Size / Name**. Filter by **Ascending / Descending**.
    6.  Browse and open junk file in Finder.
    7.  View total and selected storage space taken by junk files

6.  After reviewing the summary of the scan result, you can click Remove to start cleaning your Mac.
    ![flash_clean_7.png](https://www.drbuho.com/str-api/uploads/flash_clean_7_bbbe092f4e.png)

7.  When some items that’re not included from the default selection in  Flash Clean scan has been selected, the program will ask for confirming. Click **Continue**.
    ![flash_clean_8.png](https://www.drbuho.com/str-api/uploads/flash_clean_8_f87c9c2b56.png)

8.  Next, you can see a progress screen showing how BuhoCleaner wipes out all macOS system junk files for you. Click **Stop** if you want to cancel the cleaning.
    ![flash\_clean\_15](https://www.drbuho.com/str-api/uploads/flash_clean_15_d51b51142a)

9.  In a short while, BuhoCleaner will finish cleaning your Mac. Click **Done** to return to Flash Clean screen.
    ![flash\_clean\_16](https://www.drbuho.com/str-api/uploads/flash_clean_16_979416cbce)

Flash Cleaning

# App Uninstallation

The App Uninstall feature in BuhoCleaner is a magic tool that helps find your bloated, legacy, or rarely used apps, along with all orphaned leftovers. 

Beyond that, the new BuhoCleaner brings about a couple of customized solutions for uninstalling most commonly used apps, including Adobe/Office suite apps, Parallel, Spotify, OneDrive, Zoom, etc. The new app filter and grouping feature adds the ability to help you find your unwanted apps more easily.

Follow steps below to experience what you can do with our new App Uninstall utility.

## How To Uninstall Apps with App Uninstall

1.  Go to App Uninstall screen > Select one or more apps that you want to delete from your Mac.
![How To Use App Uninstall Step 1](https://www.drbuho.com/str-api/uploads/app_uninstall_1_c7d984cc7c.png)
2.  You can use the sorting method to find your unwanted apps.
![Sort App](https://www.drbuho.com/str-api/uploads/app_uninstall_app_filter_e53a6239eb.png)

* **By Size** - Sort large or bloated apps by size.
* **By Name** - Sort your apps in alphabet.
* **Last Opened** - Locate these apps that you never or rarely use.

Two sorting rules:
* **Ascending** - Increasing in size, date or alphabet order.
* **Descending** - Decreasing in size, date or alphabet order.

After selecting the apps that you want to remove, they'll be shown in the **Selected** group.
![Selected Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_selected_d277799386.png)  

3.  After double checking your selected apps (optional), you can click **Remove** to continue.
![Start To Remove Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_remove_c2532546b8.png)

3. Next, you'll see a prompt showing the final confirmation on your selected apps.
![Confirm To Remove Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_remove_confirm_2263c5339f.png)
Here you can click the **Drop down** icon to show all application details and click the **magnifying lens** to open the specific file in Finder.
![Confirm To Remove Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_remove_confirm_2_5e85f70c2a.png)
 
4.  After a quick confirmation, click **Remove** to start uninstalling.
![Start To Remove Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_remove_confirm_3_6f0f191411.png)

Please note that because the app uninstallation on Mac is an irreversible action, you’re sure to delete your selected apps. 

5. After a second, BuhoCleaner will complete uninstalling your app. Click **Done** to go back to App Uninstall start screen.
![Done](https://www.drbuho.com/str-api/uploads/app_uninstall_done_8a08f0fec6.png)

## How To Clear App Leftovers

When you uninstall an app on your Mac by dragging it from Applications folder to Trash, you only removed the applicational program but all its generated leftover junk would be left behind. BuhoCleaner helps find all these app leftover files and allow you clean them up with a few clicks.

1.  Navigate to App Uninstall > Leftovers > Select the app leftover items and click **Remove** to wipe them out.
![Clear App Leftovers](https://www.drbuho.com/str-api/uploads/app_uninstall_leftovers_46168d0a29.png)

## How To Remove Large and Old Apps

To find large and old apps easily and quickly, click the **Large and Old** option. 

1.  Navigate to **Large and Old** column. In this window, you can see the apps larger than 100MB (or a certain amount of size based on your choice) and have not been opened in the past 3 months (or 6 months/1 year).
![Clean Large and Old Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_large_and_old_apps_0d2f4110d8.png)

Click **XXX MB** to define another size that you think is more proper for sorting the large apps. Four options are available for now: 100MB, 500MB, 1GB, 5GB. 
![Find Large Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_large_and_old_apps_2_4b60f22067.png)

Click **XX months** to define another time span that you think is more proper for sorting the old apps. 3 options are available for now: 3 months, 6 months, 1 year.
![Find Old Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_large_and_old_apps_3_c1a4b6b2c2.png)

## How To Remove Incompatible Apps

When you updated your Mac to a newer version of macOS (Catalina/Big Sur/Monterey/Ventura), you may have noticed that some of your apps stopped working properly. BuhoCleaner will list all there apps in the **Incompatible** column (not showing if there isn't any).
![Remove Incompatible Apps](https://www.drbuho.com/str-api/uploads/app_uninstall_incompatible_apps_a2b097fc16.png)

## How To Use App Groups

You can use the app grouping feature in BuhoCleaner to find apps even faster and easier. For instance, in **Sources** column, you can find apps downloaded from App Store or from other third-party app developer website.
![App Sources](https://www.drbuho.com/str-api/uploads/app_uninstall_app_sources_113b020c56.png)

If you look for apps developed by particular vendors, click **Vendors**.
![App Vendors](https://www.drbuho.com/str-api/uploads/app_uninstall_app_vendors_5634f3f0f2.png)

## How To Search Apps

Searching apps with BuhoCleaner is easy. Simply click the **magnifying lens** on the right top corner to do the search.
![App Search](https://www.drbuho.com/str-api/uploads/app_uninstall_search_8887cb04af.png)

Type some keywords in the search box that may help you locate your apps soon.
![App Search](https://www.drbuho.com/str-api/uploads/app_uninstall_search_2_cc3a263386.png)

App Uninstallation

# Finding and Deleting Duplicates

Have a long time that you forget to clear away duplicates and clutters in Documents, Desktop, Photo Library and other commonly used file folders? The Duplicates feature in BuhoCleaner offers blazing fast solution to scan your selected file folder, find and delete all identical files that don't need to exist.

## How To Search and Delete Duplicated Files on Mac

1. Open BuhoCleaner > Go to Duplicates > Click the Plus button to add folders that you want to scan identical files from.
![Delete Duplicated Files](https://www.drbuho.com/str-api/uploads/duplicates_1_b3b492bd0e.png)
2. Click the folder locations below to start scan or you can add custom folders for scanning. Click **Choose** to start scanning.
![Delete Duplicated Files Step 2](https://www.drbuho.com/str-api/uploads/duplicates_2_0cd8e6679b.png)
3. When the scanning is done, you can see all your duplicated files in result review screen. 
![Delete Duplicated Files Step 3](https://www.drbuho.com/str-api/uploads/duplicates_3_de5f8d92a8.png)
4. From the Select Duplicates menu, select **Smart Select** to mark all the oldest or newest duplicates with one click.
![Delete Duplicated Files Step 4](https://www.drbuho.com/str-api/uploads/duplicates_4_aceabcaaa8.png)
5. Alternatively, you can sort the results by name, size, count, or selected count, and manually mark duplicates you don't need.
![Delete Duplicated Files Step 5](https://www.drbuho.com/str-api/uploads/duplicates_5_8fe02172dd.png)
6. You can preview a selected file. To know more about it, double-click its file path or click the magnifier icon next to its file path.
![Delete Duplicated Files Step 6](https://www.drbuho.com/str-api/uploads/duplicates_6_537a36fead.png)
7. Once you've selected all the duplicates you want to delete, click the **Remove** button in the lower right corner.
![Delete Duplicated Files Step 7](https://www.drbuho.com/str-api/uploads/duplicates_7_5222532f4a.png)
8. Click **Continue** to start deleting your selected duplicates.
![Delete Duplicated Files Step 8](https://www.drbuho.com/str-api/uploads/duplicates_8_53e226f1d7.png)
9. In a short while, BuhoCleaner will finish deleting your selected duplicate files. Click **Done** to return to Duplicates start screen.
![Delete Duplicated Files Step 9](https://www.drbuho.com/str-api/uploads/duplicates_9_aacc384938.png)

Finding and Deleting Duplicates

# Removing Large Files

The Large Files feature in BuhoCleaner gives you full reviews on your file system. You can browse all your large or old files at a glance. Instead of digging through every folder, you only need to check a list of well-arranged files in Large Files screen.

## How To Search and Delete Large/Old Files on Mac

1.  Open BuhoCleaner > Go to Large Files > Click **Scan** to start.
    ![Large/Old Files](https://www.drbuho.com/str-api/uploads/large_files_1_ec3fe63e9a.png)
2.  After the scanning is done, you can see all your files larger than 50MB will be classified by its file types. You can easily do the file cleanup per each file type: **All Files, Audio Files, Video Files, Images, Documents, Archives, Other Files.**
    ![Large/Old Files](https://www.drbuho.com/str-api/uploads/large_files_2_6ca71501b7.png)
3.  In each file category, you can filter your files by clicking Name, Size or Last Opened.
    ![Large/Old Files](https://www.drbuho.com/str-api/uploads/large_files_3_4a28e3d4c7.png)
4.  Also you browse each listed files in Finder by clicking the magnifying lens icon.
    ![Show in Finder](https://www.drbuho.com/str-api/uploads/large_files_4_fc170add66.png)
5.  After the file selection is done, click Remove.
    ![Remove Large Files](https://www.drbuho.com/str-api/uploads/large_files_5_ccca4cb6c4.png)
6. Double check your delected items. Click **Remove** to continue.
   ![Check Selected Items](https://www.drbuho.com/str-api/uploads/large_files_6_b0706b42c3.png)
7.  In a short while, BuhoCleaner will finish deleting your selected files. Click **Done** to return to Large Files start screen.
    ![Done](https://www.drbuho.com/str-api/uploads/large_files_7_3476c92330.png)

Removing Large Files

# Disk Space Analysis

The Disk Space Analyzer in BuhoCleaner allows you to visually manage your disk space and easily delete any unwanted files and folders.

Follow the steps below to learn how to use Disk Space Analyzer.

## How to Use Disk Space Analyzer

1.  Click Toolkit in the sidebar of BuhoCleaner and select Disk Space Analyzer.
    ![navigate-to-disk-space-analyzer\_en](https://www.drbuho.com/str-api/uploads/navigate_to_disk_space_analyzer_en_2433055bcd)
2.  Select the drive or folder you want to scan and click the Start button.
    ![choose-drive-or-folder-to-scan\_en](https://www.drbuho.com/str-api/uploads/choose_drive_or_folder_to_scan_en_e5cdfb367d)
3.  Afer a few seconds, you can easily know which files or folders are using the most space. Double-click a folder to find out which files it includes.
    ![scan-results\_en](https://www.drbuho.com/str-api/uploads/scan_results_en_182939ee0b)
4.  If a file or folder can be deleted, the checkbox next to it will be highlighted when you hover over it.
    ![check-file-or-folder-delete\_en](https://www.drbuho.com/str-api/uploads/check_file_or_folder_delete_en_fb57c611c9)
5.  To delete unwanted files, check the boxes next to them and click the Remove button.
    ![select-unwanted-files\_en](https://www.drbuho.com/str-api/uploads/select_unwanted_files_en_f396418fd3)
6.  Preview the files you have selected and click the Remove button.
    ![preview-selected-files\_en](https://www.drbuho.com/str-api/uploads/preview_selected_files_en_f539505a97)
7.  After a second, BuhoCleaner will completely remove these files from your Mac. Click the Done button to go back to the scan results page.
    ![delete-complete\_en](https://www.drbuho.com/str-api/uploads/delete_complete_en_9f61227dcb)

Disk Space Analysis

# Shredding Files

Don't want your deleted private or important files to be recovered by others? Use Shredder to completely remove them from your Mac.

Here's how.

1.  Open BuhoCleaner > Go to Toolkit > Choose **Shredder**.
    ![Shred Files On Mac Step 1](https://www.drbuho.com/str-api/uploads/file_shredder_e145a8f744.png)
2.  Click **Select Files** to choose the files that you want to permanently and thoroughly delete from your Mac.
    ![Shred Files On Mac Step 2](https://www.drbuho.com/str-api/uploads/file_shredder_2_bfab1b49ee.png)
3.  Select files and click **OK** to continue.
    ![Shred Files On Mac Step 3](https://www.drbuho.com/str-api/uploads/file_shredder_3_378d8d7f21.png)
4.  Review the file you want to safely shred from your Mac > Click **Securely Remove**.
   ![Shred Files On Mac Step 4](https://www.drbuho.com/str-api/uploads/file_shredder_4_225d3cdd30.png)
5.  After a while, BuhoCleaner will permanently shred your sensitive files and you can no longer retrieve it from Trash or other Mac Data Recovery tools. Click **Done** to get back to Toolkit start screen.
    ![Shred Files On Mac Step 5](https://www.drbuho.com/str-api/uploads/file_shredder_5_9c74ad5e86.png)

Shredding Files

# Managing Startup Programs

Login or Startup items are apps that open automatically when you start up or log in to your Mac. The Startup Items feature in BuhoCleaner offers a smart macOS optimization solution by showing all login items and startup services, so as to let you manage them in one place.

## How To Manage User Login Items

1.Open BuhoCleaner > Go to Startup Items > User Login Items > Toggle the switch button to Enable/Disable the item that you want to keep using or not.
![Login Items](https://www.drbuho.com/str-api/uploads/login_items_ec9cf6fee7.png)

## How To Manage Startup Services

1.Open BuhoCleaner > Go to Startup Items > Startup Services > Toggle the switch button to Enable/Disable the item that you want to keep using or not.
![Startup Services](https://www.drbuho.com/str-api/uploads/startup_services_ca0f3b0450.png)

Managing Startup Programs

# Freeing up RAM

1.  Open BuhoCleaner > Go to Toolkit > Choose **Free Up RAM**.
    ![Free Up RAM](https://www.drbuho.com/str-api/uploads/free_up_ram_1_3b4225d262.png)
2.  Click Start.
    ![Free Up RAM Start](https://www.drbuho.com/str-api/uploads/free_up_ram_2_29ac7b7259.png)
3.  Next, BuhoCleaner will set off to free up RAM on your Mac.
    ![Freeing Up RAM](https://www.drbuho.com/str-api/uploads/free_up_ram_3_788442843f.png)
4.  After a short while, you can see the reclaimed RAM memory data freed by BuhoCleaner. Click **Done** to go back.
    ![Free Up RAM Done](https://www.drbuho.com/str-api/uploads/free_up_ram_4_9c389aced4.png)

Freeing up RAM

# Reindexing Spotlight

Spotlight offers an easy way to find files, documents, apps, mail messages and more. If Spotlight not responding, not showing correct search result, or simply not working as expected, you can rebuild Spotlight index to solve this issue. Here are detailed steps on how to Reindex Spotlight.

1.  Open BuhoCleaner > Go to Toolkit > Choose **Reindex Spotlight**.
    ![Reindex Spotlight](https://www.drbuho.com/str-api/uploads/reindex_spotlight_1_15fa6892fb.png)
2.  Click **Start**.
    ![Reindex Spotlight Start](https://www.drbuho.com/str-api/uploads/reindex_spotlight_2_9cbfe54f3b.png)
3.  Now let BuhoCleaner to do the Spotlight index rebuilding.
    ![Reindex Spotlight Fixing](https://www.drbuho.com/str-api/uploads/reindex_spotlight_3_a3bc25abb7.png)
4.  After a moment, the Spotlight reindexing process will complete. Click **Done** to get back.
    ![Reindex Spotlight Done](https://www.drbuho.com/str-api/uploads/reindex_spotlight_4_985b67d3f8.png)

Reindexing Spotlight

# Flushing DNS Cache

The local record of DNS (Domain Name Server) cache information is generated when you visit a webpage for finding the corresponding IP, and providing it to your web browser. If the DNS cache is outdated or corrupt, it may prevent you from loading a webpage correctly. You can try to Flush the DNS cache on a Mac to have a fix.

1.  Open BuhoCleaner > Go to Toolkit > Choose **Flush DNS Cache**.
    ![Flush DNS Cache](https://www.drbuho.com/str-api/uploads/flush_dns_cache_1_ee79ee61ee.png)
2.  Click **Start**.
    ![Flush DNS Cache Start ](https://www.drbuho.com/str-api/uploads/flush_dns_cache_2_1667ab0df3.png)
3.  BuhoCleaner will start to flush and reset your DNS cache.
    ![Flushing DNS Cache](https://www.drbuho.com/str-api/uploads/flush_dns_cache_3_d4e0db5aeb.png)
4.  After a moment, BuhoCleaner will finish flushing your DNS cache. Click **Done** to get back.
    ![Flush DNS Cache Done](https://www.drbuho.com/str-api/uploads/flush_dns_cache_4_032b68ab4e.png)

Flushing DNS Cache

# Getting An Activation Number

BuhoCleaner is a paid application that requires an activation key to unlock all its Mac cleaning and maintenance features. Whether you're using a trial version, or have activated BuhoCleaner with a Giveaway license, it's recommended to purchase a full activation key from our Store for enjoying lifetime free upgrade and our premium support.

1.  You have two easy ways to get an activation key for BuhoCleaner. One is to directly visit our BuhoCleaner [Store](/buhocleaner/buy), or you can open the app > Click the Unlock Full Version.

![activation-unlock\_en](https://www.drbuho.com/str-api/uploads/activation_unlock_en_cbbbf47a8d)

2.  If you don’t have an activation key, click **Buy License** > You’ll get directed to [BuhoCleaner Purchase page](/buhocleaner/buy).

![activation-2](https://www.drbuho.com/str-api/uploads/activation_2_2714d0b27d)

3.  Choose a license plan that fits your need best, click **Buy Now** to continue.

![activation-3](https://www.drbuho.com/str-api/uploads/activation_3_51fd386dcc)

4.  Enter your email address and click **Continue**. You can check if let us send you product updates and offers via email. It’s an optional service that you can opt-out at any time.

![activation-4](https://www.drbuho.com/str-api/uploads/activation_4_9bb537cc18)

5.  Next, enter your Country and Post/ZIP code, which are required for combating fraud and to keep your payment secure. Please rest reassured that all your personal information will never get leaked. Refer our [Privacy](/privacy) terms to understand how do we protect your data.

![activation-5](https://www.drbuho.com/str-api/uploads/activation_5_9c8b76cd64)

6.  Next, choose to pay via **Pay by Card**, **Paypal**, or **Google Pay**.

![activation-6](https://www.drbuho.com/str-api/uploads/activation_6_3d8ffe26e4)

7.  If you have a coupon code, click Add Coupon > Enter your coupon code to upgrade the price. Once you complete the payment, you'll see the successful window.

![activation-checkout\_en](https://www.drbuho.com/str-api/uploads/activation_checkout_en_cd2a266274)

8.  After the purchase is done, go to your email box to find your activation key, which is in ABCDE-12345-ABCDE-12345-ABCD format. Go back to BuhoCleaner Activation window, click **Enter Activation Code** > Copy and paste it to the box. Click **OK** to start activating the full version of BuhoCleaner.

![activation-1](https://www.drbuho.com/str-api/uploads/activation_1_b425c29d85)

9.  Then you can unlock the full version of BuhoCleaner.

![activation-activated\_en](https://www.drbuho.com/str-api/uploads/activation_activated_en_76dead47de)

Getting An Activation Number

# BuhoCleaner Preferences

In this BuhoCleaner Online manual guide, we will show you how to make changes in BuhoCleaner Preferences.

## Preferences - General

To allow BuhoCleaner always check for update on its own, enable the **Automatically keep BuhoCleaner up to date** option.

![general-1](https://www.drbuho.com/str-api/uploads/general_1_5544400a25)

Click **Check For Updates** to see if there is a new version available for update.

![general-2](https://www.drbuho.com/str-api/uploads/general_2_09238cdbbd)

The make best use of your Mac, it’s recommended to enable the **Show icons on menu bar on startup** option, which allows BuhoCleaner to open on your startup and start to monitoring your Mac performance without disturbing your work.

![general-3](https://www.drbuho.com/str-api/uploads/general_3_3102cf0238)

## Preferences - Flash Clean

We designed the Flash Clean feature in BuhoCleaner for delivering the most efficient and convenient Mac cleaner solution. If you have some particular cleaning items that you want to keep intact, enable/disable the check box on the left side of each item. To determine if let BuhoCleaner make the auto selection, turn the **Auto Select** switch to blue (enable) or gray (disable).

![flash-clean-1](https://www.drbuho.com/str-api/uploads/flash_clean_1_b1fd420389)

If you feel these Mac cleaning settings somehow is messed or you get confused on your choices, click **Restore Defaults** to undo all changes.

![flash-clean-2](https://www.drbuho.com/str-api/uploads/flash_clean_2_2bf4bd42b2)

## Preferences - Large Files

On default, BuhoCleaner sorts all files that’re larger than 50MB in Large Files. If you want to redefine the gauge, change the rule by clicking the selection icon and choosing a new size.

![large-files-1](https://www.drbuho.com/str-api/uploads/large_files_1_86f3c47751)

## Preferences - Duplicates

In Scan Settings, you can enable the **Scan hidden folders if needed** option to search for duplicates in hidden folders.

![duplicates-1](https://www.drbuho.com/str-api/uploads/duplicates_1_799000bfe3)

To speed up the file scanning process, you can choose to auto skip small files.

![duplicates-2](https://www.drbuho.com/str-api/uploads/duplicates_2_f0a69298ea)

In Ignore Folders panel, click **Plus** or **Minus** icon to Add or Remove folders that you don’t want BuhoCleaner to scan for duplicates. Use **Restore Defaults** to undo changes.

![duplicates-3](https://www.drbuho.com/str-api/uploads/duplicates_3_ddcdc7d008)

Want to always keep some files that are with certain format extensions? Easy. In Ignore Extensions panel, find the file extensions in list window and click the check box to Select/Deselect it.

![duplicates-4](https://www.drbuho.com/str-api/uploads/duplicates_4_f1ff48dcb4)

If you don’t find the file extensions in the default list, click **Plus** or **Minus** icon to Add or Remove one that you don’t want BuhoCleaner to scan for duplicates. Use **Restore Defaults** to undo changes.

![duplicates-5](https://www.drbuho.com/str-api/uploads/duplicates_5_ebf11d11f7)

We built BuhoCleaner to serve carefully for cleaning and optimizing your Mac. You can use the **Selection Rules** panel to set your priority rules for scanning certain files folders. Click **Plus** or **Minus** icon to Add or Remove the folder that you don’t want BuhoCleaner to scan. Use **Restore Defaults** to undo changes.

![duplicates-6](https://www.drbuho.com/str-api/uploads/duplicates_6_f8cbce4934)

## Preferences - Status Menu

BuhoCleaner Menu app is fully customizable in **Status Menu** panel. You can check specific items that you want to display in the menu bar on your Mac. Every item you select will show in the preview area. Use the **Show icons on menu bar on startup** switch to decide if you want BuhoCleaner status menu to appear.

![status-menu-1](https://www.drbuho.com/str-api/uploads/status_menu_1_46fa775cad)

Welcome to the Guide

Buhocleaner Overview

Getting Started

Licenses and Subscriptions

Updates and Discounts

Cleanup

Optimization