The Metro magic of Microsoft’s Windows 8 OS is going to debut on 26th October this year. As announced earlier Microsoft is geared to announce Release To Manufacturing by first week of August. Today the default wallpaper of Windows 8 has leaked and The Verge confirmed that this is the default Wallpaper. We already know that Windows 8 will be available from 26th October, and for just $40 we can upgrade to Windows 8.