here is the fill u need for making multiclient work
what u do si easy, go to ini foler and go to the file StRes.ini and search the text english and repace it with new letters. and save the file and u will be able to open 3 windows at once.
if this been posted before whatever, i dont waste my time reading old post, anyways just downlaod my file and place it in ur INI folder
Edit: able to open 5+ windows