XP Difficulty Multiplier
Multiplies XP gain based on difficulty using these values:
Very Easy – 0.5
Easy – 0.75
Normal – 1
Hard – 1.5
Very Hard – 2
In order to preserve an authentic/vanilla-like balance, these multiplier values are based on those used in previous Bethesda Softworks titles by the same linked parameters (fDiffMultXP), which are all set to 1 in this game for some reason, regardless of the difficulty.
Installation
Extract fDiffMultXP.txt to Steam\steamapps\common\Starfield.
Add the following to StarfieldCustom.ini in Documents\My Games\Starfield: