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