How to use it on a simple Lan network?

Question

Hi Sirs!

I am developing a stock and accounting management system (Desktop application). But I would like to know something very capital for me.
This system should work on a simple Lan network. But I would like to know if I should add in my "solution explorer" the app_config to configure correct the path to allow users to work on the system properly? Or there is another way.
Please I will use a simple local network then if someone can explain me. Maybe to show me a link that explain it step by step.

Many thanx