1. Choose Start > Control Panel > Appearance and Personalization > Personalization > Theme.

or

Right-click an empty area of the desktop and choose Personalize > Theme.

2. From the Theme drop-down list, choose an existing theme as a starting point for creating a new one.

3. Choose the desired settings in Control Panel to change the theme.

4. When you’re finished making changes, click Apply in the Theme Settings dialog box.

5. Click Save As, type a theme name, and then click Save. By default, Windows saves the theme in your Documents folder (Start > Documents).

6. Click OK (or Apply).