Go to the Eqemu home page (
http://www.eqemu.com) then click on the Files test link, its small on the left side of the page under the word Sourceforge
Look there for the Eqemu Releases, to build your own server
If your looking to just play, simply download the Eqemu patcher, install it into your Everquest directory(By Default: C:\Program Files\Sony\Everquest Trilogy)
If your looking to build your own server, go to the site i told you earlier or go to this post:
http://forums.eqemu.net/viewtopic.php?t=6176
Well, heres a better idea, let me refer you to the readme . . .
http://www.eqemu.net/Guide.htm
Just follow that as best you can, and search for posts by Drawde or Trumpcard, they usually are the ones who post on how to fic and build your server