How to update my MacBook Pro to OS 11?

You don’t install macOS 11 (Big Sur) on a M3 Pro MacBook Pro. That model originally shipped with macOS 14.1 (Sonoma), and can’t run any version of macOS that is lower than that.

Servant of the Cats Said:

“You don’t install macOS 11 (Big Sur) on a M3 Pro MacBook Pro. That model originally shipped with macOS 14.1 (Sonoma), and can’t run any version of macOS that is lower than that.”

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Didn’t catch this was macOS. Having been re-titled, I see why).

kmcmahan22 Said:

"how can I update to OS11"

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Updating an iPhone:

Have a Computer Handy? If so, try using a computer to update. Go here: Update your iPhone Using a Computer - User Tip. If any updates are available, they will install, sure enough.