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Revision as of 13:55, 11 February 2019 by Stgatilov (talk | contribs) (As of 2.08, Windows XP no longer supported)
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Intended article audience: players, general users


There are many ways to install TDM on your favourite OS
(Windows, Mac os or a Linux Distribution).

The most general method is to:

  1. Create a folder for TDM,
  2. Download / extract the TDM-updater to that folder
  3. and use that updater to update the game to the most recent version.

(but its possible that you need to do some system-specific things before or after this.)
(If you find this difficult, the TDM installer can help you with that.)

You can do this by either:

And then update this old version to the most recent one, using the updater or the incremental update packages.

For other installation methods and specific instructions for Windows/Linux and Mac OS,
see article Installer and Manual Installation


Operating Systems supported

  • Windows (Vista/Win7/Win8/Win10)
  • Linux
  • Mac OS (using WINE)


At a minimum, you'll need a machine which is capable of running the Doom 3 game on comfortably high settings. The team recommends adding more RAM and a bit more CPU to the basic requirements, however, otherwise running the larger maps will be difficult.

Hard Disk Space

A rough estimate of how much disk space required is 3-4gb. As TDM is under continual development this is likely to increase slowly over time.
Breakdown of the estimate:
  • For the base TDM package you need around 2.5 GB.
  • Plus a variable amount of space you need for downloaded FM packages...
  • ... and also a variable amount of space for screenshots, savegames, etc.
  • Sizes of Fan Missions (known as FMs) vary, depending on how much custom content (models, textures, audio, etc) the FM authors chooses to include. If they're mostly using the stock TDM content, FMs are usually very small (1 to 10 MB). FM's with large amounts of custom content can be quite large (20 to 60 MB+). However, all content is pre-compressed. For more information, please see Fan Missions for The Dark Mod.
  • Savegames vary in size; they can be a few MB per save depending on the size of the FM.
  • Screenshots sizes depend on the screen resolution you're using (~2 MB per shot).


See the article Known System Configurations for a growing collection of system configurations and the corresponding user feedback.

Troubleshooting the application

The thedarkmod executable can generate a logfiles. These log files are located right next to the executable and might give some useful insight if the game fails to load. There is an article. Debugging TDM Systemerrors

First Startup

  • Please take your time to read through The Dark Mod Gameplay article to get familiar with the game.
  • TDM ships with a Training Mission which is designed to introduce you to the various gameplay elements TDM has to offer. It is recommended to play through this mission first, even if you've played other stealth games before.
  • Adjust the settings in the menus if needed (like screen resolution and gameplay settings).
  • See also the Performance Tweaks article to make TDM run a little bit faster if you're on a lower end machine.
  • If you encounter a problem, please check the FAQ. If you can't find an answer there, you can leave a post in the TDM Support forum.

Installing and Running Fan Missions

Fan Missions can be downloaded from inside the TDM menu. Go to "New Mission" and click on "Get new missions".

Alternatively, you can go to to get hold of mission packages available for The Dark Mod. Each FM is contained in a PK4 file, which contains all the files necessary to run the mission. Sometimes missions also have an optional _l10n.pk4 file; these contain the content for all other languages than English.

See the full article Installing and Running Fan Missions for a detailed explanation.

See also