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- DO YOU NEED TO KEEP THE INSTALL MACOS SIERRA APP MAC OS X
- DO YOU NEED TO KEEP THE INSTALL MACOS SIERRA APP UPDATE
We’ll be covering these workarounds in the next section, so avoid the temptation to download this version of macOS from a third party.
DO YOU NEED TO KEEP THE INSTALL MACOS SIERRA APP MAC OS X
If you want to downgrade to a version of macOS that you didn’t originally download from the App Store, or a version of macOS that was never available via the App Store (such as Mac OS X Snow Leopard) then there are some workarounds. In the best case scenario, you’ll want to downgrade to a version of macOS that you downloaded via the App Store, as this means you’ll be able to re-download the installer via the App Store. You’ll also need the version of macOS that you want to install. Just be aware that formatting this drive will wipe everything from it! If the USB drive contains anything that you want to keep, then make sure you move or copy it to a safe location before proceeding. If you don’t have a Time Machine backup, then downgrading is going to be more complicated, as you’ll need to create a bootable installer.įor the best results, you’ll need a USB flash drive with at least 12GB of memory. Your Mac will now restore this backup, and downgrade you to an earlier version of macOS in the process!.Choose the backup that you want to reinstate, which will typically be the last backup you created before updating macOS.
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DO YOU NEED TO KEEP THE INSTALL MACOS SIERRA APP UPDATE
If you create regular Time Machine backups (and you should!) then you may be able to reverse a macOS update by restoring a Time Machine backup that you created before installing that update. Choose your startup disk, and then select ‘Install.’.Once you see the macOS Utilities screen, select ‘Reinstall macOS’ and then click ‘Continue.’.Restart your Mac, while holding down the ‘Shift+Option+Command+R’ keys.If you’re on High Sierra 10.12.4 or later, and you want to revert to the version of macOS that shipped with your Mac, then you’re in luck! This is one of the easiest ways to downgrade your Mac: