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 7 DLC packs containing 34 achievements.
Complete "The Nuclear Option"
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Decide the Fate of the Commonwealth
Complete "Nuclear Family"
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Powering Up"
Complete "Mankind-Redefined"
Complete "Institutionalized"
Complete "The Molecular Level"
Complete "Hunter/Hunted"
Reach Maximum Happiness in a Large Settlement
Complete 50 Misc. Objectives
Join the Brotherhood of Steel
Complete "Old Guns"
Complete "Taking Independence"
Join the Railroad
Kill 5 Giant Creatures
Reach Level 50
Collect 20 Vault-Tec Bobbleheads
Complete "Dangerous Minds"
Complete "Reunions"
Complete "Unlikely Valentine"
Collect 10 Vault-Tec Bobbleheads
Craft 100 Items
Hack 50 Terminals
Kill 300 People
Read 20 Magazines
Discover 100 Locations
Create 50 Weapon Mods
Kill 300 Creatures
Reach Level 25
Complete 10 Side Quests
Reach Maximum Relationship Level with a Companion
Recruit 5 Separate Companions
Placed A Grenade Or Mine While Pickpocketing
Get a Homerun
Pick 50 Locks
Build 100 Workshop Items
Ally with 3 Settlements
Get a Touchdown
Reach Level 10
Join the Minutemen
Gather 1000 Resources Used For Crafting
Complete "Sanctuary"
Reach Level 5
Complete "When Freedom Calls"
Enter The Wasteland
Play a Holotape Game
Complete "Restoring Order"
Complete "Headhunting"
Build 10 Robot Mods
Unlock 10 Robot Mods
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 "Close to Home"
Defeat 30 Far Harbor Sea Creatures
Complete the quest "Cleansing the Land"
Complete the quest "The Way Life Should Be"
Collect all issues of "The Islander's Almanac" magazine
Discover 20 Far Harbor Locations
Unlock 3 Far Harbor Workshop Locations
Complete the quest "Where You Belong"
Cook One of the New Far Harbor Recipes
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
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
Complete "Power Play"
Establish 8 Raider Camps in the Commonwealth
Complete "Home Sweet Home"
Complete "The Grand Tour"
Create 20 different flavors of Nuka-Cola
Collect every issue of Scav! Magazine
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Complete 12 quests for any Nuka-World Raider Gangs
Complete "Taken for a Ride"