How To Update Macos High Sierra 10136 To 1015 «macOS»

Apple no longer prominently features Catalina on the App Store (it now promotes newer OS versions), but the direct link still works.

After upgrading to Catalina, you can upgrade further (to Monterey or Ventura) as long as your Mac supports it – extending the life of your machine for years to come. how to update macos high sierra 10136 to 1015