Siva's blog

Microsoft‘s Financial Officer Peter Klein announced on its Windows7 blog that they have Sold out 90 Million License Copy of the company’s latest Operating system Windows 7 . The successful OS recorded 90 million sales in just 131 days. However the company did not disclose the exact number of sales.

Link: http://windowsteamblog.com/blogs/windows7/archive/2010/03/02/windows-7-more-than-90-million-copies-sold.aspx