How to set wallpaper:
1. Click the computer icon in the lower left corner of the desktop and click "Settings" in the pop-up box.
2. In the Windows Settings box, click the "Personalize" option in the middle.
3. In the pop-up setting box, click "Lock Screen Interface" below.
4. You can select an image as the screen lock interface in the setting box of the screen lock interface on the right. If you don't need the pictures provided by the system, you can also click "Browse" below to select your own pictures.