Catalina installer won't open

I have "downloaded" catalina, but the installer won't open

iMac 27" 5K, macOS 10.13

Posted on Nov 14, 2019 06:22 AM

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1 reply

Nov 14, 2019 06:28 AM in response to ayaspan

The installer is about 8GB and should be in

/Applications/Install macOS Catalina

Are you sure it downloaded completely?

Select it, and press command-I. Note the name and file size.

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Catalina installer won't open

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