Monterey
why can't I install MacOS Monterey on my MacBook Pro 2013
MacBook Pro 15″, macOS 11.6
why can't I install MacOS Monterey on my MacBook Pro 2013
MacBook Pro 15″, macOS 11.6
Because it's too old.
Because it's too old.
First check to see if you’re on the compatibility list.
https://www.macworld.com/article/673697/what-version-of-macos-can-my-mac-run.html
Monterey