You can start creating new robots or customize the existing ones (including Ada, Curie and Codsworth) once the Robot Work Bench is created.
You’ll definitely need to have all the required materials to create the bench.
Listen to the robot Ada after completing Mechanical Menace and once she completes talking, you get the chance to create your Robot Work Bench.
The first Automatron Quest, Mechanical Menace needs to be completed in order to unlock the Robot Work Bench.
Try to invest on perks like Blacksmith, Science and Robotic Expert. These things will make robot creation easier for you.
You can make your robots easily by using the following methods. The DLC allows you to create your own robotic friends by retrieving parts from the enemy robots. One of the greatest things in Automatron is Robot creation.
This will start the questline and you will be allowed to access the contents of Automatron.
It will not be always marked on your map, so go near Wattz Consumer Electronics, which is located in the North of the Institute and the ruins of CIT.
Your next step would be locating the assault.
You might like to wait for some time before taking up the quest as they are very high leveled. Make sure you hear the whole message at least once as it will add a quest to your quest log.
After getting out of Vault 111, listen to the suitable distress signal on your radio.
Automatron should already be featured there and in case you don’t see it there just exit the game, sign out, sign back in and start the game once again. Don’t load the saved game and go to the Add Ons section in the menu.
Start the game on main menu after the DLC is downloaded.
Download the DLC after all the necessary updates of the files of the game.
The first thing you’ll need to do is to buy Automatron. The DLC is available as part of the Season Pass or you can buy it for $10 separately.
Fallout 4: Automatron DLC Guide: How to Access Automatron Source: