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Moshe1010

macrumors 6502a
Original poster
Jun 27, 2010
874
99
Hi,

I'm trying to do a clean install of macOS Catalina, but it seems like I can't get the dmg installer file of Catalina if it's already installed. When I go to the app store and try to download it again, it opens the macOS Catalina updater and says no updates available. Any Ideas?

Thanks
 
This is why I always save the installer to a safe place before running it.
You could try this:
 
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