Use pictures as a screen saver
You can create a personalized screen saver by displaying selected pictures and videos as a slide show when you are not actively using your computer.
Open Screen Saver Settings by clicking the Start button , clicking Control Panel, clicking Appearance and Personalization, clicking Personalization, and then clicking Screen Saver.
Click the Screen saver list, and then click Photos.
If you want to specify a location for the pictures you want to use in your screen saver or modify the slide show speed, click Settings. After you make your changes, click Save.
In order to see your screen saver with high-quality visuals (including themes and transitions), you need to have a subscore of 3.0 for the Graphics category in the Windows Experience Index. Some themes also require your computer’s graphics card to have a feature called Vertex Shader 2.0. To take advantage of all slide show capabilities, you might need to upgrade to a more powerful graphics card. For more information, see Ways to improve your computer's performance.