Steam account required for game activation and installation
Windows System Requirements
MINIMUM:
OS: Windows 7 a 8.1
Processor: Intel Core 2 Duo
Memory: 2 GB RAM
Graphics: Intel Graphics / 512MB VRAM
DirectX: Version 9.0c
Storage: 2 GB available space
Sound Card: Compatible with DirectX®: 9.0c
Additional Notes: Warning: Laptop graphics card are not supported, but may be functional
RECOMMENDED:
OS: Windows 10 64bit
Processor: Intel Core i5 2.5 GHz
Memory: 2 GB RAM
Graphics: NVIDIA GTX 560Ti & higher / 1GB VRAM
DirectX: Version 9.0c
Network: Broadband Internet connection
Storage: 4 GB available space
Sound Card: Compatible with DirectX®: 9.0c
Additional Notes: Recommended Xbox 360® Controller for Windows
Mac System Requirements:
MINIMUM:
OS: Snow Leopard (10.6)
Processor: Intel
Memory: 2 GB RAM
Graphics: SM4 512MB VRAM
Storage: 2 GB available space
RECOMMENDED:
OS: Yosemite (10.10)
Processor: Intel Core i5
Memory: 4 GB RAM
Graphics: SM4 1GB VRAM
Network: Broadband Internet connection
Storage: 2 GB available space
Linux System Requirements:
MINIMUM:
OS: Linux (Most distros should work)
Processor: Intel Core 2 Duo
Memory: 2 GB RAM
Graphics: SM4 512MB VRAM
Storage: 2 GB available space
RECOMMENDED:
OS: Ubuntu 14.04
Processor: Intel Core i5
Memory: 4 GB RAM
Graphics: SM4 1GB VRAM
Network: Broadband Internet connection
Storage: 2 GB available space