This generates some necessary configuration files for the game to run properly. Generating ini files: From a fresh install of the game, simply open the game via the launcher, reach the main menu, and close it again.Preparing Fallout Who Vegas From a Fresh Install Due to the age of the game and the advancement of computers since then, there are several essential mods and tweaks required before the start of a game in order to ensure a stable and (relatively) bug-free experience. This page will cover how to install Fallout Who Vegas on a fresh install of Fallout New Vegas.