Developments with Microsoft's new Windows 8 system

The launch of Windows 8 was heralded as the biggest change to the industry's dominant operating system in at least 17 years. It attempts to bridge the gap between personal computers and fast-growing tablets with its touch-enabled ...

Windows 8 sales hit 40 million

Microsoft said Tuesday it sold 40 million licenses for its Windows 8 operating system in the first month after a launch which got a mixed reception.

Microsoft's Windows chief leaves in power struggle (Update)

Microsoft CEO Steve Ballmer isn't going to let anyone get in his way. Not even his presumed heir apparent, who runs the software maker's Windows empire, can stop Ballmer as he pushes the company in a new direction.