Windows:

• Requires a 64-bit processor and operating system
• OS *: Windows 7 64-bit
• Processor: Intel Quad Core 2.8 GHz (i7 900 series) or 3.5 GHz AMD (FX 6000 series)
• Memory: 4 GB RAM
• Graphics: AMD/NVIDIA dedicated graphic card, with at least 1024MB of dedicated VRAM and with at least DirectX 11 and Shader Model 5.0 support (AMD Radeon HD 7000 series and NVIDIA GeForce GTX 600 series)
• DirectX: Version 11
• Storage: 5 GB available space

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

MacOS:

• OS: OS X El Capitan (10.11)
• Processor: 2.8 GHz Quad Core
• Memory: 4 GB RAM
• Graphics: AMD/NVIDIA dedicated graphic card, with at least 1024MB of dedicated VRAM and with at least DirectX 11 and Shader Model 5.0 support (AMD Radeon HD 7000 series and NVIDIA GeForce GTX 600 series)

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

 SteamOS+Linux:

• OS: Ubuntu 16.04.3 LTS + SteamOS (latest)
• Processor: Intel Quad Core 2.8 GHz (i7 900 series) or 3.5 GHz AMD (FX 6000 series)
• Memory: 4 GB RAM
• Graphics: AMD/NVIDIA dedicated graphic card, with at least 1024MB of dedicated VRAM and with at least DirectX 11 and Shader Model 5.0 support (AMD Radeon HD 7000 series and NVIDIA GeForce GTX 600 series)

Windows:

• Requires a 64-bit processor and operating system

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

MacOS:

• OS: OS X El Capitan (10.11)
• Processor: 2.8 GHz Quad Core
• Memory: 4 GB RAM
• Graphics: AMD/NVIDIA dedicated graphic card, with at least 1024MB of dedicated VRAM and with at least DirectX 11 and Shader Model 5.0 support (AMD Radeon HD 7000 series and NVIDIA GeForce GTX 600 series)

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

 SteamOS+Linux:

• OS: Ubuntu 16.04.3 LTS + SteamOS (latest)
• Processor: Intel Quad Core 2.8 GHz (i7 900 series) or 3.5 GHz AMD (FX 6000 series)
• Memory: 4 GB RAM
• Graphics: AMD/NVIDIA dedicated graphic card, with at least 1024MB of dedicated VRAM and with at least DirectX 11 and Shader Model 5.0 support (AMD Radeon HD 7000 series and NVIDIA GeForce GTX 600 series)