Microsoft CEO Steve Ballmer has announced that Windows 7 has sold more than 400 million licenses so far, meaning it is still the fastest-selling operating system. Ballmer revealed the number at the Microsoft's annual Worldwide Partner Conference (WPC), a four-day event that celebrates the accomplishments of the company's 640,000 global partners. Windows 7 has been available to the masses for 21 months.
Windows 7 actually grabbed 20 percent of the market at the end of 2010. Between January and December 2010, Windows XP fell almost 10 percentage points to 56.72 percent market share, Windows Vista lost over five percentage points to 12.11 percent, and Windows 7 gained over 13 percentage points,... »read more

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