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resqmed99 Author

Level 1

4 points

How do I update from a 27" 2011 SierraOS to Big Sur?

How do I update from a 27" 2011 SierraOS to Big Sur? Do I need to upgrade my Mac, or is there software I need to download? I'm finding applications that will no longer work with Sierra.

iMac 27″, macOS 10.12

Posted on Jan 24, 2021 9:01 AM

Top-ranking reply

FoxFifth

Level 10

472,227 points

Posted on Jan 24, 2021 9:05 AM

The latest update compatible with a mid-2011 27" iMac is High Sierra 10.13.6.

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How do I update from a 27" 2011 SierraOS to Big Sur?

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