Installation:
Make a directory in your Doom 3 directory called cdoom, so if you have Doom 3 installed in " C:\Program Files\Doom 3\", make a folder such that " C:\Program Files\Doom 3\cdoom\" now exists. Extract the file cdoom_main.pk4 into this folder.
Running:
Run Doom 3, and select mods from the menu at the bottom. Choose cdoom. Start a new game.
voila commen il est di de l´instaler! si kelk1 pe me le traduir ( nan pa avec un traducteur sur le net c bidon ! )
merci 