- Operating System: Microsoft Windows 98, Microsoft Windows Second Edition, Microsoft Windows Millennium Edition (Me), Microsoft Windows 2000, or Microsoft Windows XP.
 - 733 megahertz (MHz) processor.
 - DirectX: DirectX® 9.0 or later. (DirectX 9.0b is installed by Halo.)
 - Memory: 128 megabytes (MB) of RAM.
 - Hard Disk: 1.2 gigabytes (GB) of free hard disk space.
 - Video card: 32 MB with 3D Transform and Lighting capable.
 - CD: 8X.
 - Sound: Sound card, speakers, or headphones with multiplayer play.
 - 56.6 Kilobytes per second (KBps) modem or 10 MB network adapter. Multiplayer servers require broadband to run a server.
 - Additionally, you must have an Internet Service provider (ISP) or a Local Area Network (LAN), if you want to play multi-player games.
 - UnRAR, burn, or mount with DAEMON Tools or Alcohol 120%.Install as specified.
 - After installation, enter the CD directory and find the folder labled "Patch."
 - UnRAR.
 - IT IS IMPORTANT TO KEEP THE CRACK IF YOU ARE GOING TO PLAY MULTIPLAYER!
 - Replace halo.exe with the one in the crack with the one in C:\Program Files\Microsoft Games\halo.exe
 - Play!
 - If playing in multiplayer, let it update to the latest version, and replace the halo.exe in the patch with the one in C:\Program Files\Microsoft Games\halo.exe again.
 - Main deh
 
Minimum system requirements
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