Add the following line to the Fallout4Prefs.ini file below the section marked [Launcher]:
bEnableFileSelection=1

Change the following line in Fallout4.ini:
sResourceDataDirsFinal=STRINGS\, TEXTURES\, MUSIC\, SOUND\, INTERFACE\, MESHES\, PROGRAMS\, MATERIALS\, LODSETTINGS\, VIS\, MISC\, SCRIPTS\, SHADERSFX\

Then place the .esp from the .zip into your Data folder (or use NMM)