How can I upgrade my iMac to macOS 11 or 12?

My Mac Catalina don't support support Banana Plus, I need Mac OS 11 or more. - Actually I have Catalina.


How can I download OS 11 or 12?


[Re-Titled by Moderator]


iMac 27″, macOS 10.15

Posted on Nov 18, 2023 07:41 AM

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Posted on Nov 18, 2023 09:07 AM

What does it say in the About This Mac dialog in the Apple () menu? Model name and hardware year/sub-year – no serial numbers, please.


If the machine is a 27" iMac with a model year of 2013 or earlier, it can't run Big Sur or later. If it has a model year of 2014 or later, that model year will tell us how far it can go.

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Question marked as Top-ranking reply

Nov 18, 2023 09:07 AM in response to Beppe52

What does it say in the About This Mac dialog in the Apple () menu? Model name and hardware year/sub-year – no serial numbers, please.


If the machine is a 27" iMac with a model year of 2013 or earlier, it can't run Big Sur or later. If it has a model year of 2014 or later, that model year will tell us how far it can go.

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How can I upgrade my iMac to macOS 11 or 12?

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