How to downgrade from macOS High Sierra back to macOS SierraIf you decide the macOS High Sierra beta just isn't working for you, you can downgrade back to Sierra.
The public beta for macOS High Sierra is here — but just because you take a new operating system for a whirl doesn't mean you're ready to commit full-time just yet. If you've decided you'd rather return to macOS Sierra, you can downgrade with just a few steps. It is a bit of a complex process, but if you follow the steps you'll be back to your old setup in no time.
Note: If you are reading this article on the Mac that you want to downgrade on, switch to another device or print this page before continuing so you can read along as you go.
Step 1: Back up your Mac
Step 2: Create a bootable drive of macOS Sierra
Step 3: Erase macOS High Sierra
Step 4: Reinstall macOS Sierra
Step 5: Restore data from an earlier macOS Sierra Time machine backup
Step 1: Back up your Mac
This process will erase macOS High Sierra from your hard drive entirely. That means any files, programs,...
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How to downgrade from macOS High Sierra back to macOS Sierra
