To run Knight Online on high graphics settings your PC will require at least a 0MB GeForce 6500 / Radeon 9250 with a Pentium 4 1.5GHz or Athlon XP 1600+ CPU. System memory required for Knight Online is 1 GB performance memory. To be able to run at all you will need at least 512 MB system memory. Another thing to consider is the DirectX capability of your GPU. Knight Online needs a GPU capable of running DirectX 9. Recommended needs around a 15 year old PC to run.