How To Run Doom 3 on Windows Server 2003 and 98/ME
 

If you just snagged your copy of Doom 3 and find you can't install it because you are not running Windows XP or Windows 2000, there is a way to overpass this limitation. All you will need to play Doom 3 on your non-Windows 2000/XP PC is your purchased Doom 3 CD, InstallShield Developer or Orca. Though this tweak has been confirmed for Windows Server 2003, it should work for Windows 98 and Me

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