How to Upgrade to macOS Sonoma: Step-by-Step Guide

Cassie Xie
Last updated: Jun 4, 2025
Summary: In this post, you will learn how to upgrade to macOS Sonoma (macOS 14) on your Mac with a step-by-step guide.
Apple officially released macOS Sonoma (macOS 14) on September 26, 2023. Want to experience the new features in this Mac OS? Below is a step-by-step guide on how to upgrade your Mac to macOS Sonoma.
upgrade to macOS Sonoma

3 Steps to Upgrade to macOS 14 Sonoma for Free

Step 1. Check System Requirements for macOS Sonoma

Below are the Mac models that are compatible with macOS Sonoma.

  • iMac (2019 or later)
  • iMac Pro
  • MacBook Air (2018 or later)
  • MacBook Pro (2018 or later)
  • Mac Mini (2018 or later)
  • Mac Pro (2019 or later)
  • Mac Studio (2022 or later)

Step 2. Check if Your Mac is Compatible with macOS Sonoma

To find your Mac’s model and OS version, you can click the Apple menu and select About This Mac. Here you can see your Mac computer’s model name, year, and macOS version.

Another method is to press and hold the Option key and click the Apple menu > System Information to open the System Information app. Here you can find detailed information about your Mac’s hardware, software, and network. Click Hardware on the left to check your Mac’s model. Click Software on the left to view your system version.

If your Mac is compatible with macOS Sonoma, follow the instructions below to upgrade it to macOS Sonoma.

Step 3. Upgrade to macOS Sonoma

  1. Click the Apple menu and select System Settings.
  2. Click General in the left sidebar and click Software Update in the right window.
  3. Your Mac will automatically check for available software updates. If macOS Sonoma is available, click Upgrade Now to download macOS Sonoma and update to macOS Sonoma without losing data.
upgrade to macOS Sonoma
Notes
  1. It’s advised that you back up your Mac with Mac Time Machine first before conducting the upgrade. If something goes wrong, you may downgrade macOS Sonoma to Ventura.
  2. If your Mac doesn't support macOS Sonoma but you still want to use it, check out this guide to learn how to install macOS Sonoma on an unsupported Mac.
  3. The latest macOS is macOS Sequoia, which means that the macOS Sonoma update may not be available now. To install it, click this link to download the macOS Sonoma full installer, then execute the downloaded .pkg file to get the macOS Sonoma installation app.

Free Up Space on Mac for macOS Sonoma Upgrade

As you can see, the file size of the macOS Sonoma system is about 13 GB. You should ensure your Mac has enough space for the upgrade, otherwise, the macOS Sonoma upgrade process may be stuck and fail.

You can use BuhoCleaner – a professional Mac cleaner program - to easily scan and remove a large amount of junk data on your Mac. It can help you clear system storage and data with one click. In addition, features such as App Uninstall, Duplicate Files, Large Files, and Disk Space Analyzer enable you to thoroughly clean your Mac.

Download and install BuhoCleaner on your Mac computer and use it to free up disk space and speed up your Mac now.

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Verdict

This post offers a step-by-step guide to help you upgrade to macOS Sonoma (macOS 14) for free on your Mac. For more useful Mac and iPhone tips, you may visit our official website: https://www.drbuho.com/.

Cassie has been writing about technology for her entire career life - over 5 years. She enjoys diving into how Apple products work and then breaking it down in a way anyone can understand.