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