I don't know whats causing it. I reinstalled multiple times and tried from max settings to low settings and I get the same results. When enemies appear, the game just start lagging, and makes it hard for me to shoot them. When its the dialog scenes, they sometimes stutter. When I just walk normally, it stutters too, but I'm assuming that they are just loading the background. I've ran ccleaner, auslogics disk defrag, reinstalling most of my drivers (uninstalling it then reboot into safe and use driver sweeper). Nothing worked.
Nice. I couldn't even get into the college of engineering at my University. However, that's mainly because I didn't take physics or calculus.