Banished from the Institute

Banished from the Institute is a Minutemen main quest in Fallout 4.

Detailed walkthrough
There are multiple ways to get banished:
 * Kill any named character in the Institute.
 * Talk to Father negatively at the end of The Battle of Bunker Hill.
 * Go to Mass Fusion with the Brotherhood of Steel.

To exit the Institute, simply head for the elevator and head up. Look for a bright red button in the room and push it. Walk into the circle and the emergency teleportation will activate.