Windows 10 S is how they would do it. It's optional, for now. But that's mostly because it hasn't been successful. If Microsoft was able to get more apps on the

Windows 10 S is how they would do it. It's optional, for now. But that's mostly because it hasn't been successful. If Microsoft was able to get more apps on the Windows Store, I have no doubt they would start introducing Windows 10 S devices that can't be unlocked to full Windows.