If you want to start your own server then it will take a while untill you understands how it works..
Anyways, here you have a site you can download anything yo need for a server, I mean almost evreything and the instruction about installing are here also.
PS: Navicat,MySQL and java you should download on your own (If you are ready with the server and you need a patch I have one patched for you, drop me a PM if you need it.
instructions: http://www.l2jserver.com/trac/wiki/L2J_Install
Original site: http://www.l2jserver.com/
(btw it's gracia epilogue.)
Have fun,
