'Significant' update to its OS, says Microsoft
Ballmer's decision to retire from Microsoft was revealed to staff in an email sent at 6am PDT - 2pm in London.
Long-standing CEO criticised for a decade of mis-steps and missed opportunities to stand down as CEO in the next 12 months
Long-awaited restructuring will reshuffle roles, but hand more power to Ballmer
Steve Ballmer's keynote at Build 2013 was a third-party sales tour de force, but it left a few loose ends dangling on the hardware front
Don Mattrick to join social games firm as its CEO, with his former staff set to report to Microsoft CEO Steve Ballmer
"Only Windows" has the range of touch notebooks flexibile working needs, says CEO
Operating units to be reduced from eight to four as company focuses on "devices and services"
When Windows RT shipped, a sceptical IT industry opted to steer clear - with good reason. Now, the question is when will Microsoft kill it
'Could do better,' says Gates