Save on the quest Molecular Level. You can choose which faction you will end the game with.

DLC has not started. All side quests completed. All companion quests have been completed. The partners are in their places. The dog is in the Red Rocket. Preston Garvey in Sanctuary.

GG is also in the Red Rocket. All the goodies collected during the game are also there.

Baby dolls and magazines too. The game is clean, no mods.