If you wanted to pollute your Steam Machine with Windows Valve's released the official drivers

Not many have been made, the device is hella expensive, and Windows is not made for the living room while Steam OS is. Otherwise, great news.
Player.One on MSN

Steam machine now allows installing Windows OS on hybrid PC console with official driver release

Valve has released a set of new drivers on its website earlier today, and it is meant for the Steam Machine hybrid PC console ...