![]() ![]() You'll see a black screen with the Apple Logo and a progress bar. Your Mac will reboot to install macOS High Sierra. Follow the instructions to install macOS High Sierra.How to install the macOS High Sierra developer betaĪfter macOS High Sierra is finished downloading, you will be prompted to install the software automatically. You can check the status in the Updates tab of the Mac App Store. The developer beta update can take a long time to finish downloading, depending on the size. Then, open the Mac App Store and click the Updates tab. If the latest developer beta does not appear on the Updates list, restart your Mac. After the software has been downloaded, your Mac will automatically restart. Click Update to download and install the developer beta software. ![]() When the installer is finished downloading, the Mac App Store will automatically open to the Updates section.
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December 2022
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