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