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