Microsoft revealed that 40 million Windows 8 licenses have been sold. Microsoft chief financial officer and chief marketing officer Tami Reller announced this at the Credit Suisse 2012 Annual Technology Conference.

“The journey is just beginning, but I am pleased to announce today that we have sold 40 million Windows 8 licenses so far,” said Reller.

The number of apps on the Windows Store has also doubled since launch.

Source: Blogs.Windows.com