“Windows 8 has surpassed 200 million licenses sold, and we continue to see momentum. This number includes Windows licenses that ship on a new tablet or PC, as well as upgrades to Windows 8. The figure does not include volume license sales to enterprise. Windows is a central part of life for more than 1.5 billion people around the world, and we are looking forward to the future.”
via Microsoft: More than 200 million Windows 8 licenses sold | ZDNet.