How many frames per second (FPS) your PC or laptop can hit can make or break even the best PC games. Too low, and the game will feel like a jittery mess. Some people have a keen eye for spotting a game’s FPS, but even then, it is hard to tell in the middle of a multiplayer game or cross-platform game. Thankfully, Steam has a built-in feature that can show you exactly how your rig is holding up while playing and help you decide if you need to change some…