Can anyone please point towards an easy to understand site explaining in detail how to take my 2015 iMac back to its original OS.
I made the mistake of upgrading to Catalina and wish to take it back to Mojave with a clean install. I haven't done a format since Macbook pros came with CD tray and disc.
Mojave
I made the mistake of upgrading to Catalina and wish to take it back to Mojave with a clean install. I haven't done a format since Macbook pros came with CD tray and disc.
Mojave