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What if it says "The requested version of macOS is not available." What does that mean?

What if it says "The requested version of macOS is not available." What does that mean?

iMac 27″, macOS 10.13

Posted on Dec 15, 2020 8:56 AM

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Question marked as Apple recommended

It may mean your iMac is not compatible. It has to be from 2014 or later.

How to upgrade to macOS Big Sur - Apple Support

Posted on Dec 15, 2020 9:00 AM

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What if it says "The requested version of macOS is not available." What does that mean?

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