Unlocks "Ultra Low" profiles not available to free users.

This is a critical feature. If you mess up a config file manually, you can break your game. The premium version automatically backs up your original settings before applying tweaks. One click restores the game to vanilla settings—a lifesaver for multiplayer games (to avoid anti-cheat flags).

Compare LSE to like manual config editing. Find optimizations for your specific PC specs (CPU/GPU).