Windows:

• OS *: Windows 7
• Processor: Intel i3-3220 (3.30GHz)
• Memory: 4 GB RAM
• Graphics: Minimum Radeon HD 5770 / NVIDIA GTX 260
• Storage: 10 GB available space
• Additional Notes: Supported inputs: keyboard, Wired and wireless 360 controller, Xbox One controller, PS4 controller, Logitech F310, F510, F710, XInput. Other controllers may work via manual text file remapping.

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

 MacOS:

• OS: 10.8.5 Mountain Lion
• Processor: Intel i3
• Memory: 4 GB RAM
• Graphics: Dedicated desktop GPU required
• Storage: 10 GB available space
• Additional Notes: Supported inputs: keyboard, Wired 360 controller with Tattiebogle driver via manual text file remapping.

* Starting February 15, 2024, the Steam Client will no longer support 32-bit games or macOS 10.14 or lower.

SteamOS+Linux:

• OS: Ubuntu 14.04 or similar
• Processor: AMD Athlon X4 750K
• Memory: 4 GB RAM
• Graphics: Minimum Radeon R7 200
• Storage: 10 GB available space
• Additional Notes: Supported inputs: keyboard, Wired 360 controller with xpad driver via manual text file remapping.

Windows:

• OS *: Windows 7 (64 bit) Service Pack 1 / Windows 8
• Processor: Intel i5
• Memory: 4 GB RAM
• Graphics: Recommended Radeon HD 6850 / NVIDIA GTX 560
• Storage: 10 GB available space
• Additional Notes: Supported inputs: keyboard, Wired and wireless 360 controller, Xbox One controller, PS4 controller, Logitech F310, F510, F710, XInput. Other controllers may work via manual text file remapping.

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

 MacOS:

• OS: 10.10 Yosemite
• Processor: Intel i5
• Memory: 4 GB RAM
• Graphics: Dedicated desktop GPU required
• Storage: 10 GB available space
• Additional Notes: Supported inputs: keyboard, Wired 360 controller with Tattiebogle driver via manual text file remapping.

* Starting February 15, 2024, the Steam Client will no longer support 32-bit games or macOS 10.14 or lower.

SteamOS+Linux:

• OS: Ubuntu 14.04 or similar
• Processor: AMD Athlon X4 750K
• Memory: 4 GB RAM
• Graphics: Minimum Radeon R7 200
• Storage: 10 GB available space
• Additional Notes: Supported inputs: keyboard, Wired 360 controller with xpad driver via manual text file remapping.