Windows:

• Requires a 64-bit processor and operating system
• OS *: Windows 7 SP1 or Windows 8.1 or Windows 10 (64bit versions)
• Processor: Intel Core i5 750 @ 2.6 GHz or AMD Phenom II X4 @ 3.2 GHz
• Memory: 4 GB RAM
• Graphics: nVidia GeForce GTX460 or AMD Radeon HD5870 (1024MB VRAM with Shader Model 5.0)
• DirectX: Version 11
• Storage: 7 GB available space
• Sound Card: DirectX Compatible Sound Card with latest drivers
• Additional Notes: Requires a 64-bit processor and operating system

* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.

SteamOS+Linux:

• OS: Ubuntu 16.04.3 LTS + SteamOS (latest)
• Processor: Intel Core i5 750 @ 2.6 GHz or AMD Phenom II X4 @ 3.2 GHz
• Memory: 4 GB RAM
• Graphics: nVidia GeForce GTX460 or AMD Radeon HD5870 (1024MB VRAM with Shader Model 5.0)
• Storage: 7 GB available space
• Sound Card: DirectX Compatible Sound Card with latest drivers
• Additional Notes: Requires a 64-bit processor and operating system

Windows:

• Requires a 64-bit processor and operating system
• OS *: Windows 7 SP1 or Windows 8.1 or Windows 10(64bit versions)
• Processor: Intel Core i5 2400s @ 2.5 GHz or AMD FX 4100 @ 3.6
• Memory: 8 GB RAM
• Graphics: nVidia GeForce GTX 680 or AMD Radeon HD7970 or better (2048MB VRAM or more, with Shader Model 5.0)
• DirectX: Version 11
• Storage: 7 GB available space
• Sound Card: DirectX Compatible Sound Card with latest drivers
• Additional Notes: Requires a 64-bit processor and operating system

* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.

SteamOS+Linux:

• OS: Ubuntu 16.04.3 LTS + SteamOS (latest)
• Processor: Intel Core i5 2400s @ 2.5 GHz or AMD FX 4100 @ 3.6
• Memory: 8 GB RAM
• Graphics: nVidia GeForce GTX 680 or AMD Radeon HD7970 or better (2048MB VRAM or more, with Shader Model 5.0)
• Storage: 7 GB available space
• Sound Card: DirectX Compatible Sound Card with latest drivers
• Additional Notes: Requires a 64-bit processor and operating system