how do I install macOS version 11.5.1 on a older mac

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Level 1

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How do I install macOS version 11.5.1 on a older mac, i'm not getting software updates past catalina 10.15.7

iMac 21.5″, macOS 10.15

Posted on Aug 2, 2024 10:24 AM

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Answer 1

Level 10

95,248 points

What year model is your 21.5" iMac...?

You must have a Mid 2014 year model iMac in order to upgrade to macOS 11 Big Sur.

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Answer 2

Community+ 2026

Level 10

746,581 points

Back up your data, check the application compatibility table, click here, and if your iMac is a 2014 or newer model, then on the download link for it.

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