MacBook Air 11” Mid 2011 1.6GHz Core i5 2GB Ram 64GB SSD OS Big Sur | eBay
Installed macOS Monterey my Unsupported MacBook Air (Mid 2013) with Patcher, performance quiet same Big Sur. Working with new features AirPlay and Live Text. : r/MacOS
macOS 11 Big Sur running on a 2011 13" MacBook Pro | EXPERIMENTAL BETA (Updated Description) - YouTube