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About this image

Required File to look like image

1.MainMenuLoop.bk2 from  Here
open fallout 4 folder >> Data >> Video
rename original file MainMenuLoop.bk2 to MainMenuLoop.bk2ori then add file MainMenuLoop.bk2 from nexus

2.MainMenu.swf from Here
add file MainMenu.swf to fallout folder >> Data >>Interface 

done

optional
for another main menu:
go to Here
search for "main menu" and get what you like.

Thanks