Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Cless said:
Um, that's a skin for Windows, man. You can't install it.
As Cless said, it's an XP skin. It's for those who've installed themes to make XP look like Mac.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.