How to Upgrade a Mac to macOS Mojave

Introduction

This guide will walk you through upgrading your Mac's Operating System to Mojave, which was released on September 24th, 2018.

macOS Mojave Desktop.

1 Mojave Compatibility Check

In general, if your Mac was made after mid 2012, it should be compatible. We can confirm using the following steps:
  1. Choose Apple menu > About This Mac.
    macOS Apple menu with About This Mac highlighted.
  2. Check the OS version.
    macOS High Sierra About this Mac with version information and Mac information highlighted.
  3. Compare what it says here to the table below to make sure your Mac is compatible with macOS Mojave:
    Mac Model OS Version
    • iMac models from late 2012 or later
    • iMac Pro models from 2017 or later
    • MacBook models from early 2015 or later
    • MacBook Pro models from mid 2012 or later
    • MacBook Air models from mid 2012 or later
    • Mac mini models from late 2012 or later
    • Mac Pro models from Late 2013 or later
    • macOS High Sierra
    • macOS Sierra
    • OS X El Capitan
    • OS X Yosemite
    • OS X Mavericks
    • OS X Mountain Lion

? Is your Mac compatible?

  1. Yes
  2. No

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This guide will walk you through upgrading your Mac's Operating System to Mojave, which was released on September 24th, 2018.

macOS Mojave Desktop.

In general, if your Mac was made after mid 2012, it should be compatible. We can confirm using the following steps:
  1. Choose Apple menu > About This Mac.
    macOS Apple menu with About This Mac highlighted.
  2. Check the OS version.
    macOS High Sierra About this Mac with version information and Mac information highlighted.
  3. Compare what it says here to the table below to make sure your Mac is compatible with macOS Mojave:
    Mac Model OS Version
    • iMac models from late 2012 or later
    • iMac Pro models from 2017 or later
    • MacBook models from early 2015 or later
    • MacBook Pro models from mid 2012 or later
    • MacBook Air models from mid 2012 or later
    • Mac mini models from late 2012 or later
    • Mac Pro models from Late 2013 or later
    • macOS High Sierra
    • macOS Sierra
    • OS X El Capitan
    • OS X Yosemite
    • OS X Mavericks
    • OS X Mountain Lion
  1. Select Apple menu > About This Mac.
    macOS Mojave Apple menu with About This Mac highlighted.
  2. Select Storage.
    About This Mac with Storage highlighted
  3. Free space is the first number you see below the name of your hard drive.
    About This Mac Storage with available space highlighted

    Disk space needs will vary depending on how you use your computer. In general, if you have over 15 GB of free space, you should be fine for updates and upgrades.
    Only proceed if you have less than 15 GB of free space.

  4. Select Manage.
    About this Mac with Manage button highlighted
  5. Under Recommendations on the left, you'll see some very easy-to-use tools to help optimize and clean up your disk space, such as optimizing the files already stored in iCloud, removing items from iTunes you've already watched or listened to, emptying the Trash automatically, and reviewing the files stored on your Mac to delete unused or old ones.
    macOS recommendations

It is important that, from here on out, you have a recent backup copy of your computer's contents. While none of these steps should cause problems, they can. Having a backup in place provides peace of mind, should anything go wrong.

Make sure any documents you are working on are saved, you will need to close programs and reboot to complete the upgrade.
  1. Select the Apple menu, then select App Store.
    macOS Apple Menu with App Store highlighted.
  2. Select the Search bar, type mojave, and press Return on your keyboard.
    App store with Search bar filled in and highlighted.
  3. Select macOS Mojave from the list of programs.
    Search results with macOS Mojave highlighted.
  4. Select Download.
    Mojave product page with Download highlighted.
  5. The macOS Mojave installer will download. You can see the progress with the bar and time indicated below the Downloading button.
    macOS Mojave downloading with progress bar and time highlighted.
    It can take some time to download. Please be patient.
  6. The macOS Mojave installer will launch automatically once downloaded. Select Continue.
    Mojave installer with Continue highlighted.
  7. The License Agreement will be displayed. Read the agreement carefully. When you have finished reading and you agree to the terms, select Agree if you agree with them.
    Mojave Licence Agreement with Agree highlighted.
  8. You will be asked to confirm you read and agree to the terms. If you agree with the terms, select Agree to continue the installation.
    Licence Agreement prompt with Agree highlighted.
  9. The installer will confirm your hard disk, select Install.
    Mojave disk selection with Install highlighted.
  10. Enter your Mac password, then select Add Helper.
    Access prompt with Username Password and Add Helper button highlighted.
  11. The macOS installer will download more files to complete the install.
    Mojave installer downloading necessary upgrade files.
    It can take some time to download. Please be patient.
  12. Once everything is downloaded, the installer will let you know it has to restart to finish. Select Restart.
    Mojave Installer download complete with Restart highlighted.
  13. Your Mac will reboot, and automatically install Mojave.
    Mojave installing.
    It can take some time to install, and your Mac will reboot multiple times. Please be patient.
  14. Once the install is complete, your computer will reboot. There will be a prompt up for 5 seconds, you may wait those 5 seconds for your Mac to automatically reboot, or select the Reboot button.
    Install complete with Reboot button highlighted.
  15. Your Mac will finalize the install at this time.
    Mac finalizing install.
  16. The first time you boot you will need to log back in. Enter your Mac password, and press Return on your keyboard.
    macOS login screen with password box highlighted.
  17. One of the major new features to Mojave is the new Dark theme. Select which theme you prefer, and select Continue.
    Choose Your Look with Dark and Continue highlighted.

    You are able to change this at any time in the future.

  18. Another feature is the redesigned App Store, and it opens right away. Select Continue.
    App Store welcome with Continue highlighted.
macOS Mojave is all setup, and ready to use!

We have a separate guide available to take you through many of the new features of macOS Mojave.

Show Me How

Clicking this button will open a new guide that will provide you with steps to resolve your issue.

We have a separate guide to walk you through backing up the files on your Mac.

Your Mac is not compatible with macOS High Sierra.

You may choose to continue using what you have, or contact Apple about upgrading to a new Mac.

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