In Fallout 4, four possible factions can be chosen to side with to shape the destiny of the Commonwealth. Up until now, no specific ending had been confirmed (and still technically hasn't). However with the release of the Fallout TV Show, certain factors seem to indicate that the Brotherhood of Steel were the canon victorious faction in Fallout 4.

More Fallout Videos:

The Hierarchy of the Brotherhood of Steel
   • The Hierarchy of the Brotherhood of S...  

The NCR Brotherhood War: A Full History
   • The NCR Brotherhood War: A Full History