How to fix my lag in a game to the best that it can be if not better, also I want to know how to do it without control panel

Maxwell Millenium

Commendable
Jun 3, 2016
1
0
1,510
My game is close to having no lag at all [800x600] and I want to make it better so my game has no lag at all, I want it perfect and have no problems at all, also I want to fix it without any control panel thank you