macos moneterey won't install on my macbook
why won't macos monterey install on my macbook?
MacBook Pro 13″, macOS 10.12
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Perhaps your MacBook needs a newer upgrade before it can use the one you want.
If the Mac can go that far.. (Some may only go to Catalina 10.5.7. after High Sierra.)
The Sierra macOS 10.12 is gateway to High Sierra 10.13.6; then there likely is
firmware update included in H.S. ~ With that, to help install even newer OS.
• How to get old versions of macOS - Apple Support
https://support.apple.com/en-us/HT211683
Good luck! ☺︎