To run Koihime Enbu on high graphics settings your PC will require at least a 0MB GeForce 9800 GT / Radeon R7 7800 with a Core i3-2120 3.3GHz or FX-4130 CPU. You should also have 4 GB system memory. To be able to run at all you will need at least 3 GB system memory. Another thing to consider is the DirectX capability of your GPU. Koihime Enbu needs a GPU capable of running DirectX 9. This means you will require a 12 year old PC to play smoothly.