Open Display in Control Panel.
On the Themes tab, under Theme, click a new theme
To open Display, click Start, click Control Panel, click Appearance and Themes, and then click Display.
Themes affect the overall look of your desktop, including the background, screen saver, icons, windows, mouse pointers, and sounds.
If more than one person uses a computer, each with his or her own user account, each person can choose a different theme.
Delete a desktop theme
Use the classic Windows look
Create your own desktop theme
Desktop theme overview