QUOTE
This file is a tweak ini because option in launcher won’t able to choose resolution to full hd in windows mode by tweak resolution to 1920×1080 and tweak file in ini file will able to bring up desktop without lost focus on game and full hd
Extract folder and put file in your document C:\Users\[User Name]\Documents\My Games\Fallout4
” For anyone that change graphic preset/setting” evey time must go to your document location like above find Fallout4Prefs.ini open and find
iSize H=[Height]
iSize W=[Wide]
change to your resolution you may want
When you launch launcher Prefs will reset.
To prevent this you have to change “sD3DDevice=” to your graphic card.