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LByronN Author

Level 1

4 points

Big Sur Installer issue

I'm trying to install Big Sur on my iMac, but keep getting a "installer damaged. Download and installer new installer." Good idea, except I don't know where, how to do that... Anybody can help, please ?

iMac 27″, macOS 10.15

Posted on Dec 26, 2020 3:53 PM

Top-ranking reply

HWTech

Level 9

60,380 points

Posted on Dec 26, 2020 5:15 PM

The macOS installers get downloaded to the "Applications" folder. The Big Sur installer will be name something like "Install macOS Big Sur". Delete this file and empty the Trash. Then try downloading the installer again.

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Big Sur Installer issue

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