>SaaS... More like Crash course in creating boot drives and doing full installations as a Service.
In SaaS solutions, the provider manages the stack right up to the application software layer.
W10 isn't SaaS - I'm not sure what it is, but a managed solution it isn't.
All those enterprise outsourcers who have difficulty managing their clients' OS estates? That's what MS is trying to do, for "free." How well do we think that will end?