Windows 10 is on 75 million PCs after only one month

[ky331]

If you're still wondering why Microsoft made Windows 10 free, just consider the latest stats: It's now on 75 million computers one month after its big launch... In comparison, it took six months for Microsoft to sell 100 million Windows 8 licenses...

http://www.engadget.com/2015/08/26/windows-10-75-million-installs/