电脑怎么换桌面壁纸

To change the desktop wallpaper on a computer, you can follow these general steps:

1. Right-click on an empty area of your desktop.
2. Select "Personalize" or "Properties" from the dropdown menu.
3. Look for the "Background" or "Wallpaper" option in the settings window.
4. Click on the option to browse for a new image file on your computer.
5. Select the image you want to set as your wallpaper and click "Apply" or "OK" to save the changes.

The specific steps may vary depending on the operating system and version you are using.