All you need to do is unzip the file (with WinZip or something-- www.winzip.com) to your {jk2 install directory}/GameData folder. There are then 3 ways to load ProMod:

1. Just run the multiplayer game normally, then choose Setup-->Mods-->promod in the UI menus. You can then use the in-game UI to find a game, or start your own server. You can play against the bots as well as against other people--they handle the new system just fine.

2. Run the provided "promod.bat" file to preload ProMod and start jk2. The effect is the same as doing #1, but you just don't have to bother going through the UI.

3. This is the one I recommend. Go to http://www.qtracker.com and download the latest QTracker. This program is similar to the in-game server browser, but is much more powerful and allows you to sort all of the games by many different criteria, including which Mod you want to play. It includes a great online help, which you can refer to for better info on running qtracker.

Let me know if you have any more questions. arsartifex@msn.com