I've upgraded my wife's computer from Windows 7 to 10, and have really had no issues. If anything, it seems to load faster than before. It still has the Windows 7 type start-up page. I have kept MY Windows 7 computer on 7 though, at least for now!
The fact that whether or not it actually functions and speed has really, not much to do with the issues I have. If you REALLY Google around on this you'll find that this "free" system just about as nice as allowing strangers to sleep in your home.
