Windows 10 has just under 6% of Windows market share.

http://www.theregister.co.uk/2015/08/24/windows_10_market_sh...

Hopefully that number triples in the next year. We all want Windws users on 10, right?

https://h4labs.wordpress.com/2015/07/29/why-everyone-should-...

Worth noting: According to an article by Mary Jo Foley, "the 75 million refers to activated copies of Windows 10 (not devices in channel)".

http://www.zdnet.com/article/microsoft-more-than-75-million-...