But when I install this game manually via Stadium installer, I can't play this game via steam well?

Hello, it's maybe a year, since when I have a problem with graphic card in Trackmania United Forever and 2 Stadium in Steam. When I play Trackmania Launcher via Steam, that in settings I have Intel graphic card with 2 GB which I have on Nvidia 635M :? . Then in game I can't set up full settings (mot...