When is the macOS Monterey release date?
The release date for macOS Monterey (macOS version 12.0) is October 25, 2021.
Monterey was announced at WWDC21 in June and was rolled out to developers in 10 beta versions. Monterey has several new features including Quick Notes, SharePlay, and Shortcuts for Mac.
All compatible MacBooks and Macs can install macOS Monterey for free.