How to hex A3client V5

-first question-

I have this file
A3Client.exe
episode 5 client

How to chang IP and chang port
My server used 219 server file

-second question-
I download Ver 5.62 (A3client.exe) from official website
http://ftp.gameto.com/pub/a3/client/v5.62.exe
and try to chang ip whit hex method.
it not work .



.........................
Nowaday i used V4 client.

This v 562 download from official webisite. please see picture
when I chang ip to my server
programe said
connection to login server fail

check the post about the 562 client only few have succeeded in making it work that is also by make new zoneagent and other component of the server of there own