You have more than one monitor, why use only one wallpaper?
How to Set Different Backgrounds for Multiple Monitors in Windows 10/11
If you use dual monitors, you can set a different wallpaper for each monitor through Windows Settings, File Explorer, or a third-party app.
The Settings app is probably the easiest way to set a different wallpaper on each monitor. Just follow the steps below:
Note: You can also choose a fit for an image, and it will be applied to that image on the monitor you selected. For more information on how that works, check out our article on How to Change Your Desktop Background in Windows.