Microsoft's unanswered Windows 8 challenge - Legacy applications (screenshots) Summary: Microsoft has begun given us the first official 'sneak peek' at it's upcoming Windows 8 operating system, and what we're being shown is a Windows operating system like none we've seen before. By Adrian Kingsley-Hughes | June 2, 2011 -- 02:40 GMT (19:40 PDT) Follow @the_pc_doc Previous | Next Image 5 of 6 Office Ribbon UI makes an appearance in Windows. 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.