Pictures, videos or themes can be selected by the Slide Show Screen Saver to be displayed in the Screen Saver.
1. Click Start -> Control Panel.
2. Click Appearance and Personalization.

3. Click Change screen saver of Personalization.

4. Click ▼ of Screen Saver and select Photos.

5. Click the Settings button.

6. After carrying out arbitrarily setting in the Photos Screen Saver Settings, click the Save button.