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 ...
I need to install Sierra on a Mac that doesn't have it yet. The links to the App Store are dead, can't install it from the purchases because Apple removed it, and can't do High Sierra because of Adobe ...
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