Microsoft sold nearly 10 copies of Windows 7 every second over the last month, according to numbers the company released Thursday. 25M sold in last 29 days, 175 million since launch, crows Company.

Peter Klein, Microsoft`s chief financial officer, announced the latest Windows 7 milestone. "With 175 million licenses sold to date, it is the fastest selling operating system ever, and now runs on over 15% of all PCs worldwide," Klein said during an afternoon earnings call.

By Microsoft`s numbers, the company sold 25 million licenses during the 29 days between June 23 and July 21, a pace that represents sales of 9.97 copies of Windows 7 per second. A month ago, Microsoft announced that it had sold 150 million Windows 7 licenses.

BDST: 2025 HRS, 24 July 2010