How do I update from Sierra to High Sierra

How do I update from Sierra to High Sierra, have no success initiating regular update procedure nor iTunes.

iMac, macOS 10.12

Posted on Dec 16, 2020 11:09 AM

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Posted on Dec 16, 2020 12:04 PM

You have to open the link in Safari. Other browsers won't work.

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How do I update from Sierra to High Sierra

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