rappelz privat server

Can you run server offline?

and i tought the tricky question was "can you run the server ONline" ....

yes. you can... i know your next question gona be "How? pleez tall me"
so just use the search and go for JW's guide

i just need download all same thing and do it just offline?

It will run through localhost, that's explained in the step by step guide, you should just read it before opening multiple threads.

how you mean localhost?do i need net or dont i need?