Microsoft has announced that Windows 7, its flagship OS, has sold 450 million copies worldwide.
Microsoft's Steven Sinofsky, the president of Microsoft's Windows division, also announced that Windows 7 is now (finally) being used by more people than Windows XP. Sinofsky made these announcements at the Microsoft Build conference in Anaheim, Calif. Tuesday.
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In addition to announcing 450 million copies of Windows 7 sold, Sinofsky also boasted that 542 million people are now using Windows Live.