As you may know, Windows 7 doesn’t allow you change the color of Aero basic themes. If you are using Windows 7 Basic edition or any other edition with basic themes, then we have a nice application which lets you have colorful basic themes.
Style7 is a handy application which brings tens of classic themes to Windows 7. Once the application is installed, you can view all installed themes by launching Style7 application. To apply a theme, select a theme from the drop down list and click Ok button.
To install a new basic theme, select Install new theme in theme drop-down list, and browse to the theme (.style) file that you want to install.
Please note that you need to install UxStyle Core software before installing Style7. You might also like to download 15+ colorful themes basic themes for Windows 7.