Finally to play, you only have to launch PlayEqui400, official server launcher (file looks like a blue egg). Once launched, check the first box. The second box allows you to know if the server is working. Then click to button "Game ...".
Then you have to do update by downloading these files : Patch EP.
It is the last update (03/12/2009), files have to be in the same place, now launch the 1st !
It will be asked to you where Helbreath is installed, you have just to indicate it, all will be done automatically.
At the end of installation, allow "Install" to be installed when it will asked to you.
For people who want to study their character : Simul.
Normal character's level is 150 (or 153 with gizons) and Executor character's level is 170, a stat can't exceed 250.