Did you see the OFFICIAL new logo for Windows 8 above? Looks good to you, does it? Well, we have seen changes in Windows logo from time to time. This time Microsoft decided to make a logo that features the Metro UI that was first introduced in the Windows Phone 7.
All these efforts by Microsoft show that this time they are putting all in Windows 8 and are expecting more better sales and userbase.
Below is an image that shows the changes that Windows logo has gone through.