Microsoft previews Windows 8 Summary: At the Microsoft Build conference in Anaheim, Calif., Steven Sinofsky, the president of the Windows Division, takes the wraps off of Windows 8, unveiling the company's new operating system in front of an audience of software developers. September 13, 2011 -- 16:27 GMT (09:27 PDT) Loading... Please wait. Topics: Software, Microsoft, Operating Systems, Windows Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.