wallpaper for windows7

[neelams]

how to set a random wallpaper in windows 7 pc?

 

[warhead0]

It's easy!

Right click the background and select personalize.
After this a window will appear, down at the bottom you can select a new desktop background.

You could also try opening the picture you wanted as your background and simply right-click on the picture, and simply select set as background.