Guide:Fallout4Prefs INI

From STEP Modding Wiki

A comprehensive and advanced guide for editing the "Fallout4Prefs.ini" file for n00bs and gurus alike


Weapon.png Under Construction: This guide is a work in progress and is thus incomplete. While all INI settings are listed, some of the setting descriptions may be incomplete or even incorrect!

Guide scope

This guide is intended to be the comprehensive reference to all settings found within the Fallout4Prefs.ini file for the Fallout 4 game. All of the user-configurable settings contained within Fallout4Prefs.ini will be listed and defined (or hopefully will be). Settings are presented by section in alphabetical order. Jump to a relevant section using the links below and navigate back to this "hub" using the link that appears at the top of each section page.
Default Fallout4Prefs INI (runtime


Fallout4Prefs.ini has 171 settings (49 Booleans, 76 floating points, 28 integers, 16 unsigned integers, and 2 strings) separated into 21 working sections. Additional settings/sections are mentioned here that are commonly placed in this file that are not recognized by the game. Any additional settings not listed here are most likely invalid.

INI parameters by section