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moregan100 Author

Level 1

8 points

I'm trying to update my mid-2011 iMac.

I'm getting this message from the Apple Store. "This copy of the Install macOS High Sierra application is damaged, and can‘t be used to install macOS." Any alternatives?

iMac 21.5″, OS X 10.10

Posted on Aug 18, 2021 1:58 PM

Top-ranking reply

Niel

Level 10

733,091 points

Posted on Aug 18, 2021 2:01 PM

Choose Applications from the Finder's Go menu, throw the existing installer away, and download another copy.

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I'm trying to update my mid-2011 iMac.

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