You need a Celeron E1200 Dual-Core 1.6GHz or Athlon 64 X2 Dual Core 4000+ processor coupled with a GeForce GT 230 to run Horizon system requirements at recommended. You can expect to get around 60FPS at 1080p screen res on high graphics settings with this hardware. System memory for min is 1 GB. Another thing to consider is the DirectX capability of your GPU. Horizon needs a GPU capable of running DirectX 9. To summarise, Horizon needs around a 10 year old PC to play at recommended settings.