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macOS upgrade from Catalina to Big Sur

I have an iMac 21.5 inch from late 2015. It has macOS Catalina 10.15.7. Can I upgrade it to OS Big Sur in order to run Microsoft Office 365?

iMac 21.5″, macOS 10.15

Posted on Aug 10, 2023 11:46 PM

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macOS upgrade from Catalina to Big Sur

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