Can I replace macOS El Captain 10.11.6 par High Sierra 10.13.6?
can i replace mac os el captain 10.11.6 par high sierra 10.13.6 sur mon imac debut 2008?
[Re-Titled by Moderator]
iMac, OS X 10.11
Question marked as
No... a 2008 model iMac can only run OS X 10.11.6 "El Capitan".
High Sierra would require a late 2009 or later model iMac, but no later than a 2017 model.