PSA: If You Upgrade to macOS High Sierra 10.13.1, You'll Need to Reinstall Apple's Root Security Fix
Mac owners who are still running macOS High Sierra 10.13 and who have already installed Apple's root security fix on that version of the operating system will need to install it once again upon ...
Before installing any operating system update, it’s a good idea to back up your Mac. The download and installation will take several minutes. When you’re ready to install the update, click on the ...
How to Downgrade macOS Mojave Beta to High Sierra Downgrade from the macOS Mojave beta to macOS High Sierra. Connect your Mac to power and plan on spending a little time with your Mac to get this ...
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