Down grading is a problem, be it with simple drivers or total OS. Most often the solution is to clear the disk, and re-install everything.
If you want to stay alive and go on with games, Windows 7 is getting old, you need to GET a higher standard computer. And Windows 10, eventually. There's nothing anyone can do about it, we don't grow older in IT, we grow newer.
Since you seem to want to take steps upward the ladder, take them. Don't stay here or in yesterday, since it's already gone.