Tools/materials: Lenovo legion Y9000X, windows 10, system settings.

1. Click the right mouse button in the blank space of the computer desktop.

2. On the right-click menu, click Personalize.

3. In the settings window, click Background.

4. On the Background page, click the drop-down selection box under Select Suitable.

5. In the drop-down list, click the Fill option to display the wallpaper in full screen.