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