Everquest, how to make it run

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Hi, Im new to the community and I would appreciate some assistance on how to make everquest work correctly.. I Did download Everquest on that link above:
ftp://eqftp.station.sony.com/eqtrilogy.exe

Ok, everything is good.. then It patch but .. it send me to SOE... Im really not good in computer and I would like some assistance please! Im a old everquest player.. I did play everquest back in the day when only KUNARK was released :P Played till GOD Came out than left.. cause of all the bugs :P now.. do I have to DELETE my old EVERQUEST... and download this one.. Or I can keep my old everquest and add this one also.. please help me and guide me through that mess.. I wish i'll be playing with yall soon enough! Thank to you