If you need to revert to a stable version on your Mac, you can easily downgrade the macOS Mojave beta to macOS High Sierra. If you’re tired of testing macOS 10.14 beta and want to revert to macOS 10.13.5 to get rid of macOS Mojave beta issues, this is what you need to do.
Reverting to macOS High Sierra is an easy process, but time consuming, so make sure you allow enough time to complete the process. During some parts of this you won’t be able to use your computer, so plan ahead.
You will need a Time Machine backup made on macOS High Sierra before upgrading. This will bring everything back to how it was before you started using the beta, but you should have made a backup before going into the beta. You can check to see if you have a macOS Mojave Time Machine backup, but unless you’re doing important work on the beta, it’s not a major issue.
This guide will show you how to complete a macOS Mojave beta downgrade to revert to macOS High Sierra.
How to Downgrade macOS Mojave Beta to High Sierra
Migrate from macOS Mojave beta to macOS High Sierra.
Connect your Mac to power and plan to spend some time with your Mac to start this process. The first step is to wipe your Mac. Then you will install macOS High Sierra from a clean install. Finally, you’ll restore a Time Machine Backup that will take you back to where you were just before switching to macOS Mojave.
You will need a good internet connection and this guide assumes you have the macOS Mojave beta installed on your main drive.
Erase Your Mac Drive
- using the Apple menu in the top right.
- When restarted.
- Benefit
- . Usually labeled as Macintosh HD
- .
- from the list and .
If you don’t have a solid state drive, you may need to choose Mac OS Extended for the format in step 6, but most Apple computers will use APFS. of He3re More to choose from from Apple.
Reinstall macOS High Sierra
It will take a few minutes to erase the drive. Once complete, you can start installing macOS High Sierra.
- On the main macOS Utilities screen, select Reinstall macOS.
- Click Continue, then accept all terms and conditions.
Wait for the Mac to restart and then switch back to macOS High Sierra.
Restore Your Time Machine Backup From High Sierra
Restore a Time Machine backup you created in macOS High Sierra.
Now that you’re back in macOS High Sierra, you still need to install all your files, apps, and data. Your Time Machine backup contains all this information and can replace it quickly. If you want, you can skip this step and start fresh; this might be wise if you have macOS High Sierra issues.
- and to get macOS Utilities.
- choice.
- . Then you want to restore. You’ll need to connect to WiFi if you have a wireless Time Machine drive, or plug it in if it’s an external drive.
- After selecting the most recent backup, wait for the restore to complete.
Time Machine restore will take some time to complete. The best thing you can do is take a step away and check every 30 to 60 minutes if your Mac is up.
