How to set desktop background from System Preferences.How to change desktop wallpaper from Photos app.How to set desktop background using Safari on Mac.How to change your desktop picture from Finder on Mac.Plus, the desktop wallpaper also acts as the lockscreen background. The steps below apply to all modern versions of macOS and all Mac desktops and MacBooks. Let me show you how to change wallpaper on Mac. To make your Mac truly yours, you can customize the desktop background to your picture or the solid color you want.
Though the default Mac background looks nice and changes dynamically depending on your location, it fails to give that personal touch.
