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21.5-inch mid 2011 os upgrade?
iMac 21.5″, OS X 10.10
The latest version of macOS you can run is High Sierra 10.13.6
Open in Safari…
https://itunes.apple.com/us/app/macos-high-sierra/id1246284741?ls=1&mt=12
The latest version of macOS you can run is High Sierra 10.13.6
Open in Safari…
https://itunes.apple.com/us/app/macos-high-sierra/id1246284741?ls=1&mt=12
Delete "Install macOS High Sierra" from the Applications folder. Try downloading it again while in Safe Mode.
"This copy of the Install macOS High Sierra application is damaged, and can‘t be used to install macOS"
Hi
when i trying to make the update i got this message in above
regards
how can i upgrade my Imac
