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Duncanmvl Author

Level 1

10 points

Upgrade to Big Sur

I am trying to upgrade from Catalina to Big Sur on my desktop Mac computer. But when I select "Software Update" in System Preferences, it does not show the Big Sur icon, and says my OS is up to date.

How do I upgrade?

iMac Pro

Posted on Apr 23, 2021 1:15 PM

Top-ranking reply

den.thed

Level 10

81,742 points

Posted on Apr 23, 2021 1:21 PM

You need to have a 2014 or later iMac to upgrade to BigSur.

see > https://https://support.apple.com/en-us/HT20163

What year model is your iMac?

see > https://support.apple.com/en-us/HT201634

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Upgrade to Big Sur

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