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