1. using login.
After you click the launcher you will the option button
click option the choose the desired resolution. for full screen you need to choose wide
2. using the Neuz.ini
Locate your Giolog folder look for neuz.ini (Configuration setting TYPE)
open with notepad
under neuz - (notepad)
Under option
Change the ff.
resolution 800 600 = change to desired resulotion ex: 1024 768
fullscreen = 1
then save