Sierra of downloaded OS but have not installed. What should I do now?

I downloaded macOS Sierra, but it has not installed. I rebooted the MacBook Air without success. What should I do now to get installed it.

Download and installation are separate steps. You should be able to find 'Install macOS Sierra' in your Applications folder. Double-click it to start the installation. It would really be a good idea to first make a backup complete and bootable.

Tags: Mac OS & System Software

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