Microsoft has released Windows 8 with lots of new features, it has also got a new Aero lite theme for it which can be used by its users.
If you too want to get same Aero lite theme on your Windows 7 computer than you can get it, fediaFedia at DA has made a Windows 8 Consumer Preview for Win7 theme for Windows 7.
After installing you will get square borders in Windows explorer, Invisible Show Desktop button, and User picture has been disabled from Start Menu and lots of other feature.
