I am unable to update my iMac 27” 2013 from Sierra to Catalina OS
Can not update my iMac 27” 2013 from Sierra to Catalina OS…
help
[Re-Titled by Moderator]
Original Title: Update iMac 27” 2013
If you were to explain the difficulties you are experiencing in some detail, you might elicit some helpful replies. For now please review How to download and install macOS - Apple Support.