Right-click the desktop → Personalize → Background.
Step by Step
- Right-click an empty area of the desktop.
- Choose Personalize.
- Select Background.
- Choose Picture, Solid color, or Slideshow.
- Select the image or folder you want to use.
If That Doesn't Work
- If personalization options are unavailable, check Windows activation status and organization policies.
- Very low-resolution images can look blurry when stretched across a large display.