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dougmca Author

Level 1

8 points

Upgrade to High Sierra

Went to the App Store to upgrade to High Sierra and got the message "This copy of the Install macOS High Sierra application is damaged, and can‘t be used to install macOS. So where do I go now?

MacBook Pro 13″, macOS 10.15

Posted on Jan 2, 2021 4:58 AM

Top-ranking reply

dialabrain

Level 10

125,375 points

Posted on Jan 2, 2021 5:28 AM

Delete "Install macOS High Sierra" from the Applications folder. Try again while in Safe Mode.

How to use safe mode on your Mac - Apple Support

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Upgrade to High Sierra

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