Two Ways to Start Vault-Tec Workshop
If you're planning to play the Vault-Tec Workshop DLC ASAP, keep these things in mind.
The company recently detailed how you start the Vault-Tec Workshop DLC. If you're level 20, and most of you probably are, it'll automatically trigger and you'll be directed to tune into a Vault 88 Radio Beacon via your Pip Boy.
You'll also be able to trigger the Vault-Tec DLC by visiting Quincy Quarries, a location that you can see on the screenshot here.
Keep that in mind as you download and install the DLC on your platform of choice.