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Steam Support
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Support for this product is provided by:
Official Support
Email: mountain@davidoreilly.com
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System Requirements

Windows
macOS
SteamOS + Linux
    Minimum:
    • OS *: Windows XP/Vista/Windows 7/Windows 8
    • Processor: 1.7+ GHz or better
    • Memory: 2 GB RAM
    • Graphics: Radeon HD5450 or better; 256 MB or higher
    • DirectX: Version 9.0c
    • Storage: 200 MB available space
    • Sound Card: 100% DirectX9.0c compatible sound card and drivers
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • OS: Lion (OSX 10.7.X)
    • Processor: 2.0 GHz Intel
    • Memory: 4 GB RAM
    • Graphics: 256 MB NVidia or ATI graphics card
    • Storage: 200 MB available space
    • Additional Notes: Not recommended for Intel GMA Graphics or Mac Minis or early-generation MacBooks
    Minimum:
    • Processor: 1.7+ GHz or better
    • Graphics: Radeon HD5450 or better; 256 MB or higher
    • Storage: 200 MB available space