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why my os Sierra 10.12.6 won't show any updates and how can I upgrade to high Sierra 10.13.6

why my os Sierra 10.12.6 won't show any updates and how can I upgrade to high Sierra 10.13.6

Posted on Dec 31, 2020 10:02 PM

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Posted on Dec 31, 2020 10:27 PM

Back up your data, check your applications for compatibility, and depending on which Mac model you have, download High Sierra, Mojave, Catalina, or Big Sur through the links provided. They're full-version upgrades and won't appear in the Updates list.


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why my os Sierra 10.12.6 won't show any updates and how can I upgrade to high Sierra 10.13.6

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