Minimum:

OS: Windows XP / Vista / 7 / 8 - 64 bits *
Processor: 2.2 GHz Dual Core CPU
Memory: 2 GB RAM
Graphics: 512 MB NVIDIA GeForce 9800GTX / ATI Radeon HD 3xxx series
DirectX: Version 9.0c
Network: Broadband Internet connection
Storage: 5 GB available space
Sound Card: DirectX Compatible
Additional Notes: * 32 bits systems are not officially supported, but should work if configured to provide 3Gb of user-mode address space. See http://msdn.microsoft.com/en-us/windows/bb613473 or http://steamcommunity.com/sharedfiles/filedetails/?id=175801311

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