
The installer will download through the Software Update section of System Settings and should be available in your Applications folder after. This is no longer possible with the updated Mac App Store however, you can still download older macOS versions through Apple’s Support site. Downgrade Using an Older macOS Installerīefore the release of macOS Mojave, it was possible to download older versions of macOS directly through the App Store.

On Apple silicon Macs (M1 and M2 models), keep holding the Power button on startup until you see the Loading Startup Options message. Hold Cmd + R to enter macOS Recovery on an Intel Mac.

Plug your Time Machine disk into your Mac and power it down or restart it.To downgrade using a prior Time Machine backup, follow these simple instructions: This, of course, assumes that you created the backup on an older version of macOS. Using a Time Machine backup is another simple way to install an older version of macOS.
