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Valve
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Community discussions offer a place where you can talk with other users who play the game, and suggest solutions to any problems. Game developers often monitor these discussions to look for issues.
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Community Created Guides   View All
Guides written by the community can be a useful resource for gameplay and configuration issues.
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System Requirements

    Minimum:
    • OS *: Windows® 7 / Vista / Vista64 / XP
    • Processor: Pentium 4 3.0GHz
    • Memory: 1 GB for XP / 2GB for Vista
    • Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
    • Hard Drive: At least 2.5 GB of free space
    • Sound: DirectX 9.0c compatible sound card
    Recommended:
    • OS *: Windows® 7 / Vista / Vista64 / XP
    • Processor: Intel core 2 duo 2.4GHz
    • Memory: 1 GB for XP / 2GB for Vista
    • Graphics: DirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better
    • Hard Drive: At least 2.5 GB of free space
    • Sound: DirectX 9.0c compatible sound card
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.