1.to apply a theme ,you must download the theme { you can download vista theme from this website also
http://www.johntp.com/2007/04/26/download-free-windows-vista-themes/ }
2,and to apply a there ,in the desktop > right click > properties under themes ,,it will show you the downloaded thmeses and the theremes you have ,,from that list ,,,choose any theme which you want "
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