Copies of Fallout 4 on Xbox One will include Fallout 3. During today's Microsoft E3 conference, Bethesda's Todd Howard took the stage to share an extended Fallout 4 demo. Along the bottom of the screen, a note quickly popped up confirming that Fallout 3 will be included with Fallout 4 on Xbox One.
E3 2015: Fallout 4 to Support PC Mods on Xbox One
At the end of a Fallout 4 stage demonstration at Microsoft's Xbox Press Conference, Bethesda's Todd Howard announced that the Xbox One version of Fallout 4 will support PC mods.
The announcement came as a one-two punch, after it was revealed that Xbox One owners will also receive an Xbox One copy of Fallout 3 with purchase of Fallout 4.