The Windows logo is a strong and widely recognized mark but when we stepped back and analyzed it,we realized an evolution of our logo

The Windows logo is a strong and widely recognized mark but when we stepped back and analyzed it,we realized an evolution of our logo would better reflect our Metro style design principles and we also felt there was an opportunity to reconnect with some of the powerful characteristics of previous incarnations,"said Sam Moreau, a user experience director on Microsoft's Windows 8 team, in a company blog post.