You need a Core 2 Duo E6600 2.4GHz or Athlon 64 X2 Dual Core 5000+ processor coupled with a GeForce 8800 GT to run Hearthstone - Knights of the Frozen Throne system requirements at recommended. You can expect to get around 60FPS at 1080p screen res on high graphics settings with this hardware. System memory required for Hearthstone - Knights of the Frozen Throne is 4 GB performance memory. Taking a look at the min reqs you will require a Radeon X1600 Pro 512MB graphics card with a Pentium D 805 2.67GHz or Athlon 64 X2 Dual Core 3600+ processor to reach the minimum Hearthstone - Knights of the Frozen Throne specs, run on low graphics setting and 720p. System memory for min is 2 GB. Make sure your GPU can run DirectX 9.00 or Hearthstone - Knights of the Frozen Throne won’t run. Recommended needs around a 16 year old PC to run.