Windows 8 Start Screen Full for Windows XP, Vista and 7

You can drag the screen to left or right to scroll between tiles. You can change the user name shown at the right-top corner of the screen by clicking on it.

• Socialite Tile for Facebook
• Tweet@rama for Twitter
• News Tile
• Weather Tile
• Gmail Tile
• Piano
• Various Shortcut tiles which can be configured
• Angry Birds Game
• Fruit Ninja Game
• Many more

It also comes with a Windows 8 look like lock screen and Control Panel application.

It consumes very less CPU resources and can be installed in both 32-bit and 64-bit Windows editions.