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Is it possible to upgrade my 2011 MacBook Pro? Its currently running OS X Yosemite 10.10.5
MacBook Pro 13″, OS X 10.10
Sadly, I tried that I get this message "This copy of the Install macOS High Sierra application is damaged, and can‘t be used to install macOS."
Choose Applications from the Finder's Go menu, throw the existing installer away, and download a new copy.
(191140)
is it possible to upgrade my 2011 MacBook Pro? Its currently running OS X Yosemite 10.10.5
