Click the () in the top-left corner of your screen and select About This Mac to check your model year. Your computer must match or exceed the following official requirements: MacBook : Early 2015 or newer MacBook Air : Mid 2012 or newer MacBook Pro : Mid 2012 or newer Mac mini : Late 2012 or newer iMac : Late 2012 or newer iMac Pro : 2017 or newer Mac Pro : Late 2013 or newer
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After a major upgrade, you may need to sign back into iCloud. Go to > Apple ID and ensure you are logged in. Check that services like iCloud Drive, Photos, and Keychain are syncing properly. how to update macos high sierra 10.13.6 to 10.15
Once downloaded, a window titled will automatically pop up on your screen. Click Continue and accept the software license agreement. Click the () in the top-left corner of
For persistent, unexplained errors, you have two advanced options: Check that services like iCloud Drive, Photos, and