Microsoft will attempt to claw back territory from Apple and Google Friday with a new version of Windows in an increasingly fierce battle over computer operating systems. Use of Apple devices, along ...

Microsoft has launched the latest preview of its forthcoming Windows 8 operating system, bringing various improvements to what the firm is billing as the "most important piece of work we've done".

ABC News is now available as an app for Windows 8 tablets and computers. Oct. 25, 2012 — -- Not only is Microsoft's Windows 8 operating system launching today, but so is ABC News' very own ...