Form Ranks

Form the Ranks is a quest in Fallout 4.

Quick walkthrough
Initiated sometime after the side quest "Inside Job" Objective: Put the Network Scanner Holotape into Institute terminal, hand over the Holotape to Sturges.

This side quest is only available after you build the teleporter during “The Molecular Level” main quest. Start the quest ” Institutionalized” and use any terminal at the Institution and insert the Network Scanner Holotape. Return to Sturges to give him the data you stole.

Form Ranks

Objective: Talk to Preston Garvey about the Institute, more settlements are needed for Minutemen.

This quest is available if you are kicked out of the Institute, have changed your loyalty etc. Once that happens, go and talk to Preston Garvey about the situation.

You will need to recruit and build more settlements for him to tackle the Institute. If they already have enough, he will speak about an attack on the Castle.