Windows 7 is Fastest-selling OS in History, Microsoft Posts Huge Earnings
 

The key factors in Microsoft's rejuvenation were Windows 7 and Windows Server 2008 R2. Since October 22, Microsoft sold 60 million Windows 7 licenses, the fastest sales pace of any operating system in Microsoft history -- or world history for that matter.

Peter Klein, chief financial officer at Microsoft comments, "Exceptional demand for Windows 7 led to the positive top-line growth for the company. Our continuing commitment to managing costs allowed us to drive earnings performance ahead of the revenue growth."

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