Vista theme for XP

Here is the simple way to have VIsta theme on windows XP.

Download BricoPack Vista Inspirat from below link and install.

BricoPack Vista Inspirat is a free pack which modifies Windows XP system files in order to change its appearance and make it look like Windows Vista (the next operating system made by Microsoft). Rewarded by a lot of magazine, Vista Inspirat BricoPack is the best way to change quickly and easily your Windows icons, logon and visual style.

http://www.crystalxp.net/galerie/en.id.130.htm