macOS – Macintosh's Operating System. To find out what version of macOS your computer is running,...

Select Reinstall macOS [Version Name] > Continue. macOS Recovery menu. · Select Continue on the m...

Step 1: Start by entering Recovery mode on your Mac. To do this, navigate to the Apple icon in th...

Shift + Option/Alt + Command R (if you are running Sierra 10.12.4 of later) will install the vers...

In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow ...

Reinstall macOS · Start up your computer in macOS Recovery: · In the Recovery app window, select ...

Reinstalling macOS won't remove data from your Mac. To start the installation process, select Rei...

Reinstalling macOS does not remove data from your Mac. To begin installation, select Reinstall ma...