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How do I upgrade my Mac OS software V10.13.6 to the latest version - can't find any info to do this ??

How do I upgrade my Mac High Sierra OS software V10.13.6 to the latest version - I can't find any information on my Mac to do this .. any help/guidance would be appreciated.

iMac 21.5″ 4K, macOS 10.13

Posted on Aug 12, 2020 8:42 AM

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Posted on Aug 12, 2020 10:47 AM

What model year is your iMac (from About this Mac)? If it is a 2012 or later, see: How to upgrade to macOS Catalina - Apple Support


If not, reply with more information.

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How do I upgrade my Mac OS software V10.13.6 to the latest version - can't find any info to do this ??

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