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pdanis Author

Level 1

4 points

Changing OS versions

I purchased a used MacBook Pro that had OS Big Sur as the operating system. I upgraded to OS Monterey and it has slowed everything down. How can I go back to Big Sur?

Posted on Jan 31, 2022 9:33 AM

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leroydouglas

Community+ 2024

Level 10

188,418 points

Posted on Jan 31, 2022 10:00 AM

pdanis wrote:

I purchased a used MacBook Pro that had OS Big Sur as the operating system. I upgraded to OS Monterey and it has slowed everything down. How can I go back to Big Sur?

Same as here—

Revert your Mac to a previous macOS version https://support.apple.com/en-lamr/guide/mac-help/mh15216/10.15/mac/10.15

The older macOS installer backups on this server:

https://support.apple.com/en-us/HT211683

verify you are using the Safari browser to download/initiate the macOS links.

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Changing OS versions

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