nope theres notting to install reall... its controled through your admin panel ?
if your Stuck with any part of it, ask on there forums and Scott is very helpfull to newbies.
Can I suggest you use 4.5version, but use the config file from 3.9version. Theres a few post about that on there forums.
I use squery for CS here on
www.gamers-crib.com The BF2 part of it is down due to a recent patch update from EA