Step #1: remove previous Casus Belli version
If you never installed Casus Belli before, you may directly jump to step #2. Otherwise, please follow steps below:
_Delete folder casusbelli in path "Crysiswars/Mods/" if present.
Step #2: download & install Casus Belli
_Download the file.
_Create folder "Mods" in path "Crysiswars/" if not already present.
_Extract casusbelli_v1.2.7z archive into folder "Crysiswars/Mods/".
Important note: if you run the mod with desura, select the "run through launcher" option. Otherwise you'll launch the game in directx10 mode and you won't see the directx9 servers.