Chief Executive Officer (CEO) of Microsoft Corporation Steve Ballmer gestures during a news conference to present the new Windows 7 operating system in Munich October 7, 2009. Microsoft's release of its new. Windows 7 operating system is expected to increase demand for personal computers only slightly, Chief Executive Steve Ballmer told journalists in Munich on Wednesday. Major new software updates from Microsoft, whose Windows operating system runs about 90 percent of the world's PCs, are in general eagerly awaited by computer makers who hope for a sales boost. Reuters Pictures 1 month ago

Chief Executive Officer (CEO) of Microsoft Corporation Steve Ballmer gestures during a news conference to present the new Windows 7 operating system in Munich October 7, 2009. Microsoft's release of its new. Windows 7 operating system is expected to increase demand for personal computers only slightly, Chief Executive Steve Ballmer told journalists in Munich on Wednesday. Major new software updates from Microsoft, whose Windows operating system runs about 90 percent of the world's PCs, are in general eagerly awaited by computer makers who hope for a sales boost.