Once you've acquired the correct (virus-free) download (someone usually will try to help guide you to the correct one... all I can say is to grab the one with the most seeds on a search for "Everquest Titanium") there is a handy, "idiot-proof" installation guide on how to install EQ from an ISO, found here:
http://wiki.project1999.com/Everques...allation_Guide
Once you have it installed, there is a handy, step-by-step "idiot-proof" setup guide for the p99 files and launching the game found here:
http://www.project1999.com/forums/showthread.php?t=2651
This was recently updated and much easier to follow than the previous guide.