What happens after the final version ships? Apple also has instructions on how to restore your system if you want to reformat your Mac and start over from scratch. You’ll need to use a Time Machine backup to restore your system back to the OS before Big Sur was installed. If you try out the beta and decide later that you don’t want to use it anymore and want to go back to macOS Big Sur, Apple has instructions on how to unenroll from the public beta.
Which Macs are compatible with macOS Monterey?