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Old iMac before 2012 upgrade to MacOS High Sierra (10.13.6)

I have an iMac from before 2012 (mid-2011)... OS Sierra 10.12.6. I'm trying to upgrade to High Sierra 10.13.6 but I get alert saying "This update requires macOS version 10.13." How do I update it to macOS version 10.13? I don't see anything in app store.


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iMac 21.5″, macOS 10.12

Posted on Jul 13, 2020 4:51 AM

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Posted on Jul 13, 2020 4:58 AM

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How to upgrade to macOS High Sierra - Apple Support

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Old iMac before 2012 upgrade to MacOS High Sierra (10.13.6)

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