Steam Client

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    -Download and install Counter-Strike Source.

Dedicated Server Tools

Windows HLDS Update Tool
    -Dedicated Half-life server for windows install tool.
Linux HLDS Update Tool
    -Dedicated Half-Life Server for Linux install tool.
SRCDS FPS Boost
    -This tweak will improve the FPS (frames-per-second) that the server puts out.

Windows Server Tools

Windows Server 2003 Resource Kit Tools
    - Srvany.exe: Applications as Services Utility is used to make HLDS into a windows
      Service.