MINIMUM SPECS
CPU: Intel Pentium D 3GHz or higher / AMD Athlon 64 x2 Dual Core 6400 2.4 GHz or higher
RAM: 4GB
GPU: AMD Radeon 5770 or higher / NVIDIA GeForce GTX 560 or higher
HDD: 15GB Install / OS: Windows 7 64-bit

Whether you're using a lower-end PC or just value frame-rates over quality: We turned down the settings a bit and turned off AA to get some extra frames on an older test rig in the office.

RECOMMENDED SPECS
CPU: Intel Core i7 920 2.67GHz or higher / AMD A8-3870 3GHz or higher
RAM: 6GB RAM
GPU: AMD Radeon R9 280 or higher / NVIDIA GeForce GTX 680 or higher
HDD: 15GB Install
OS: Windows 7 64-bit

Higher-end PC gamers: You will obviously push to Ultra settings and dial back as needed.