How to change Screen Saver in Windows 7

To change a screen saver follow instructions below:

Click Start button > Control Panel > In the search box > type screen saver > click Change screen saver > In the Screen saver dialog box > click the screen saver that you want to use > click OK.

Or

Most Laptops have no screensaver enabled by default. Simply type “screensaver” in your start menu search, and choose “Change screen saver”.