How upgrading from Windows 10 S to Windows 10 Pro could cost you

There’s plenty about Microsoft’s new Windows 10 S that’s not fully understood, not the least of which is its built-in upgrade path to Windows 10 Pro. Which Windows 10 S device you buy and where you buy it, however, will decide whether you’ll pay a $49 fee for the the upgrade—or have Microsoft pay you with a year’s subscription to Office 365.With most Windows 10 S devices reserved for closely managed classrooms, there's arguably only one Windows