Enable mods
You will need to add the following to Fallout4Prefs.ini at the bottom of the file
[Launcher]bEnableFileSelection=1uLastAspectRatio=1
[Launcher]
bEnableFileSelection=1
uLastAspectRatio=1
You will need to change the following line in Fallout4.inisResourceDataDirsFinal=STRINGS\to readsResourceDataDirsFinal=STRINGS\, TEXTURES\, MESHES\
sResourceDataDirsFinal=STRINGS\
sResourceDataDirsFinal=STRINGS\, TEXTURES\, MESHES\