: Always use Fullscreen . "Windowed Fullscreen" can add input lag and lower average FPS.
: Set to Off . These are the biggest performance killers. Textures & Effects : Set to Low to reduce system load.
: In Windows Security > Device Security > Core isolation , toggle Memory Integrity to Off . This can provide an instant 5-10% FPS boost.
: By default, Windows "Balanced" plan throttles the CPU. Run the following command in an administrator Command Prompt to unlock the Ultimate Performance plan: powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61 .