To run Knock Harder on high graphics settings your PC will require at least a 0MB GeForce GT 730 / Radeon HD 3850 with a Core 2 Duo E4400 2.0GHz or Athlon II X2 280 CPU. 4 GB will also be needed to achieve the Knock Harder rec specs and get 60FPS. To be able to run at all you will need at least 4 GB system memory. Another thing to consider is the DirectX capability of your GPU. Knock Harder needs a GPU capable of running DirectX 9. We suggest a 6 year old PC to play smoothly.