Replace the music tracks with higher quality ones ripped from the original CD.
Replace the low quality sound effects re-used from Jedi Knight: Dark Forces II with that game's high quality ones.
Make the game always use the highest quality textures and models, instead of using lower qualities the further away they are (and leading to unsightly transitions).
DIBsection windowed display
Windows XP (Service Pack 3)
Running the game with 3D acceleration turned on may cause crashes or graphics problems (ex. black screens) on some modern machines.
Download and extract these pre-configured dgVoodoo wrapper files to your game folder. They're already configured with the watermark disabled, but are an older version.
Download and extract this ddraw.dll to your game folder. If that one doesn't work, try this one.
This issue is present in the original CD release and may also apply to releases patched with the Unofficial Patch.
The GOG.com and Steam launchers and shortcuts may add the -windowGUI command line argument to preemptively solve a black screen problem experienced on some systems.
Run the game with the -windowgui command line parameter.
The game updates camera movement at only 30 FPS, even though the game runs at 60 FPS. This can give the appearance of poor performance and can be improved by capping the framerate below 48.
Press - or = to adjust the screen size.
Music doesn't play or loop or the volume can't be adjusted.
Rename JKM.exe to JediKnight.exe (or something else)
Download the fixed music wrapper, use a text editor to read and follow the instructions at the top of the single .reg file and then double-click on the file to import it. You can ignore the other files in the archive.
If the game crashes with an Nvidia GPU, disable the following settings for JKM.exe in the Nvidia control panel:
LucasArts released a bonus level in which the player gets to play as Luke Skywalker in Cloud City (from The Empire Strikes Back).
Mysteries of the Sith Enhanced
This mod replaces models with higher quality ones taken from Jedi Knight: Jedi Outcast. It requires the Unofficial Patch to be installed.
Mysteries of the Sith Retexture Pack
This mod replaces textures with higher quality versions and can be used alone or with Jedi Knight Enhanced. It requires the Unofficial Patch to be installed.
The original HUD is too small at high resolutions. This mod replaces the default GUI and HUD elements with larger, higher resolution alternatives.