During the past week, some rather adventurous types dug into Insider Preview Build 15019 to unlock Microsoft’s deepest secrets regarding Windows 10. Using a tool called the Product Key Configuration Reader, the folks over at Petri were able to uncover two upcoming versions of the operating system: Windows 10 Cloud and Windows 10 Cloud N (“N”
Source: Hot Hardware – Windows 10 Cloud May Be Microsoft’s Latest Assault On Chromebooks With UWP App Exclusivity