Full list of all 84 Fallout 4 achievements. It takes around 80-100 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 6 DLC packs containing 34 achievements.
Complete "Nuclear Family"
Complete "Ad Victoriam"
Collect 20 Vault-Tec Bobbleheads
Decide the Fate of the Commonwealth
Complete "The Nuclear Option"
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Powering Up"
Reach Maximum Happiness in a Large Settlement
Complete "Mankind-Redefined"
Complete "Blind Betrayal"
Complete "The Molecular Level"
Complete "Institutionalized"
Complete "Hunter/Hunted"
Complete "Dangerous Minds"
Placed A Grenade Or Mine While Pickpocketing
Reach Maximum Relationship Level with a Companion
Complete "Reunions"
Complete "Unlikely Valentine"
Join the Railroad
Get a Homerun
Collect 10 Vault-Tec Bobbleheads
Reach Level 50
Kill 5 Giant Creatures
Complete 50 Misc. Objectives
Recruit 5 Separate Companions
Complete 10 Side Quests
Complete "Old Guns"
Complete "Taking Independence"
Hack 50 Terminals
Kill 300 People
Create 50 Weapon Mods
Reach Level 25
Discover 100 Locations
Play a Holotape Game
Read 20 Magazines
Kill 300 Creatures
Pick 50 Locks
Join the Brotherhood of Steel
Build 100 Workshop Items
Craft 100 Items
Ally with 3 Settlements
Gather 1000 Resources Used For Crafting
Reach Level 10
Join the Minutemen
Get a Touchdown
Complete "Sanctuary"
Reach Level 5
Complete "When Freedom Calls"
Enter The Wasteland
Complete "Restoring Order"
Complete "Headhunting"
Build 10 Robot Mods
Unlock 10 Robot Mods
Complete "Mechanical Menace"
Start a Spectated Arena Fight in a Settlement
Build One of Every Cage Type
Have 5 Tamed Creatures in a Settlement
Collect all issues of "The Islander's Almanac" magazine
Cook One of the New Far Harbor Recipes
Defeat 30 Far Harbor Sea Creatures
Complete the quest "Close to Home"
Complete the quest "Cleansing the Land"
Complete the quest "The Way Life Should Be"
Discover 20 Far Harbor Locations
Complete the quest "Where You Belong"
Unlock 3 Far Harbor Workshop Locations
Complete the quest "Far From Home"
Become Overseer
Unlock all build areas of Vault 88
Equip Vault 88 suit and Pip-boy on a settler
Produce 100 objects from your builders
Assign a settler to a pillory
Display a weapon on a weapon rack, armor on an armor rack, and power armor in a power armor display
Redeem 100,000 tickets at the Nuka-Cade
Complete "Power Play"
Complete 12 quests for any Nuka-World Raider Gangs
Establish 8 Raider Camps in the Commonwealth
Complete "Home Sweet Home"
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Create 20 different flavors of Nuka-Cola
Collect every issue of Scav! Magazine
Complete "The Grand Tour"
Complete "Taken for a Ride"