Do I need to upload Mojave and Catalina updates 1st or will they all be up to date after loading Big Sur?

Do I need to upload Mojave and Catalina updates 1st or will they all be up to date after loading Big Sur?

iMac 27″ 5K, macOS 10.13

Posted on Oct 20, 2021 12:10 PM

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Do I need to upload Mojave and Catalina updates 1st or will they all be up to date after loading Big Sur?

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