How to complete The Molecular Level quest in Fallout 4.

It begins straight after you completeHunter/Hunted, and will set you on the path toward the Institute.

These factions include The Minutemen, the Brotherhood of Steel, and the Railroad.

A robot stands in front of a city in Fallout 4

Doctor Amari can analyse your newly-acquired Courser Chip, so locate her onstage and initiate conversation.

If you haven’t already,approach the Tour Botand engage him in conversation.

When the Tour Bot is done, turn your attention to the fountain and locate the sign reading.

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At Journey’s End, follow Freedom’s Lantern.

Up ahead, the line passes around Park Street Station and turns north-west.

Shortly, it crosses over the road, leading you toward Massachusetts State House.

Examine the next marker on the ground then continue tracking the line as it moves back across the road.

Keep pushing forward until you near the foot of the tall red tower then take a right.

Up ahead, you’ll spot the sign pointing toward Goodneighbor from earlier in the game.

Climb the steps ahead and prepare to deal with another round of ghouls.

When it’s safe to proceed, resume your journey east and descend the steps.

As you near the right-hand side of Faneuil Hall, you’ll be ambushed by several more super mutants.

Quickly put some distance between you and your target and use VATS to target his carrying arm.

Finally, follow the line as it moves along the right-hand side of the building.

Take a left at the end of the alley and continue tracking the line as it moves north.

A little way ahead, it crosses the road and starts travelling east.

Stay with it as it swings around to the north again then examine the marker ahead.

Once the street is clear, push forward and stay close to the line as it turns west.

Work your way around the statue ahead and examine the final marker just beyond it.

Inside the church, pass through the hole in the wall and enter the large, ghoul-filled chamber.

erase the area of hostiles and locate the door to the right of your entrance hole.

Take a right at the bottom and follow the tunnel around to the west.

Eliminate the ghoul that attacks then take a right at the end of the passage.

Continue north, dealing with one last ghoul, andlocate the Freedom Trail Ring on the wallto the right.

Slip through the door and descend the steps at the end of the passage.

When the woman ahead begins to speak, draw in closer until the dialogue options appear.

Explain that you’re not her enemy and that Doctor Amari sent you.

Next, tell her your story.

WhenDesdemonafinally introduces herself, ask to hear more about the Railroad.

Talk with Desdemona

Climb the steps to the east and follow Desdemona along the passage.

Head through the door at the end to access Railroad HQ.

On the other side, descend the steps and approach Desdemona to the right.

Tell Desdemona that she can take the chip thenapproach Tinker Tomat the nearby desk.

Next, call up your Pip-Boy map andfast travel to the Rocky Cavein the far south-west.

Enter the building and wind your way down through the crypt to reach Desdemona.

Engage her in conversation and confirm that you know about synths.

Tell her to go on and assure her that you’d risk your life for a synth.

Finally, end the conversation to complete Road to Freedom and to add Tradecraft to your quest log.

Note that approaching Desdemona again will let you discuss Virgil’s schematic.

She’ll agree to help provided that you assist Deacon with his task first.

  • Keep reading for our guide to completingFallout 4: Tradecraft, the next quest in the game.

  • Head back to the first page for the rest of ourFallout 4 guide.