如何更改桌面背景

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

1. Right-click on an empty area of the desktop.
2. Select "Personalize" from the dropdown menu.
3. In the Personalization settings window, click on "Background" from the left sidebar.
4. Choose a new background image from the options provided or click on "Browse" to select an image from your computer.
5. Adjust any additional settings such as picture position, color, or slideshow options.
6. Once you have selected your desired background, close the Personalization settings window.

The exact steps may vary slightly depending on the operating system you are using (Windows, macOS, etc.), but these general steps should help you change the desktop background on most systems.