If you see pictures of Steve Ballmer wearing a huge grin across his face, he’s probably thinking about Windows 7. Since its release on October 22nd last year, Microsoft’s latest operating system has sold 90 million copies.
Peter Klein, Microsoft’s chief financial officer, made the announcement during the Morgan Stanley Technology, Media & Telecom Conference yesterday.
Such a large number of sales makes Windows 7 the fastest selling operating system Microsoft has ever released.
Windows 7 sells 90 million copies in first four months – Tech Products & Geek News | Geek.com
If you see pictures of Steve Ballmer wearing a huge grin across his face, he’s probably thinking about 

