Hi and thanks for caring to my poor problems

Not exactly dark screen with Windows 10: dark screen since Windows 8 and 8.1 (even F11 key has no effect from 1 to 10)
But the worst problem is that I can't walk at the right speed. I have understood that people around see me gliding while I see me (and hear my steps) running in very accelerate speed. ANd when I release my forward key I see (on screen) that I make one step back.
There is simply no way to play (except in Crane where Dondon is a kind target)
Actually Windows 10 is only guilty to accelerate my moves. Dark screen is a bit older since I have had it a few months before with Windows 8.1 (on a new computer). Progress is always bringing us one step beyond

(
So if you have any idea to make me move like before... thanks in advance