Cant go futher than this STUCK. MacBook Air 13 2013 mid. Mavericks 10.9.5 No update where shown i had to manualy download installer from appstore. It gets stuck when i press install. : r/MacOS
macOS compatibility: What macOS versions can my Mac run? | Macworld
MacBook Pro - Wikipedia
MacOS Big Sur On The Oldest MacBook Air! - YouTube
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
MacBook Pro (Retina, 15-inch, Late 2013) – reBuyTech Technologies