You may not be able to extend a single wallpaper. Windows 11/10 via its Settings allows you ... Alternatively, you can press Win+I to open Windows Settings and go to Personalization > Background.
In this post, we will see how you can turn on or off Phone Link wallpaper on a Windows 11 computer ... To do the same, open Settings by Win + I, go to Bluetooth & devices, and click on Mobile ...