I must be in the huge minority. I haven't had a single issue with Windows 10 (if we disregard privacy). Literally everything has just worked. I will say thinking about it that my computer used for 99.99% gaming/internet/text documents. I keep anticipating that something is going to go horribly wrong but so far it's been great. I hate the menu and store that it shows so almost everything I tend to open has a shortcut…
Thousands of programmer years went in to Win10, and the most positive comment on it is "It's perfectly tolerable if you turn off all that stuff they added." This should be in the dictionary to illustrate the phrase "Damning with faint praise."
My computer has changed to be not comparable to those previous though because I now have a nice GPU, a nice CPU, and a SSD. So any speed improvements, graphic improvements, etc are skewed by the hardware changes I've made since.
I didn't turn off anything except the privacy that I could. It's just that I don't have a use case for most of the features (yet).