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Emergency macOS Upgrade

I allowed my macOs to get old. Now I have to update it. Need to upgrade from v10.12.6 “Sierra” to v10.13.6 “High Sierra”. On0line instructions are always inconsistent with what I see on my screen. I download SecUpd2020-005HighSierra.dmg to ~/Downloads. Can I update from that? What is best?

Posted on Dec 15, 2020 11:29 AM

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Posted on Dec 15, 2020 11:35 AM

Back up your data, check your applications for compatibility, and download High Sierra through the link provided.


Terence: It won't show up in a search. Getting it requires a direct link.


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Emergency macOS Upgrade

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