The growth of Windows 10 continues with the operating system now installed on more than 200m devices.
The milestone was revealed by a statement from Yusuf Mehdi, corporate VP for Microsoft’s Windows and Devices group, in which he stated that more than 40 per cent of new Windows 10 devices become active since Black Friday.
Mehdi added that Windows 10 “continues to be on the fastest growth trajectory of any version of Windows ever”

http://www.mcvuk.com/news/read/200m-...ows-10/0160904