MacBook Air different wallpaper for lock screen and Home Screen
On a MacBook Air can you set the lock screen and the desktop screen to different backgrounds/wallpapers?
MacBook Air 13″, macOS 26.2
Question marked as
You cannot set the lock screen background yourself, that is under Apple's control. You can set your Desktop wallpaper, including different ones for different Desktops if you use multiple Spaces.
Customize the wallpaper on your Mac - Apple Support