software update
I have a iMac mid 2011, how do i upgrade the software
iMac 21.5″, 10.10
I have a iMac mid 2011, how do i upgrade the software
iMac 21.5″, 10.10
try reading
How to get old versions of macOS - Apple Support
macOS High Sierra 10.13 is newest version your computer supports
try reading
How to get old versions of macOS - Apple Support
macOS High Sierra 10.13 is newest version your computer supports
software update