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
Craft 100 Items
Complete 50 Misc. Objectives
Kill 5 Giant Creatures
Complete "Nuclear Family"
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Powering Up"
Placed A Grenade Or Mine While Pickpocketing
Complete "Mankind-Redefined"
Complete "The Nuclear Option"
Decide the Fate of the Commonwealth
Reach Level 50
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Get a Homerun
Complete "Institutionalized"
Complete "The Molecular Level"
Complete "Hunter/Hunted"
Create 50 Weapon Mods
Collect 10 Vault-Tec Bobbleheads
Complete "Old Guns"
Build 100 Workshop Items
Complete "Taking Independence"
Join the Railroad
Hack 50 Terminals
Reach Maximum Relationship Level with a Companion
Kill 300 People
Complete "Dangerous Minds"
Complete "Reunions"
Read 20 Magazines
Reach Level 25
Complete 10 Side Quests
Discover 100 Locations
Ally with 3 Settlements
Complete "Unlikely Valentine"
Kill 300 Creatures
Pick 50 Locks
Recruit 5 Separate Companions
Gather 1000 Resources Used For Crafting
Get a Touchdown
Complete "Sanctuary"
Join the Brotherhood of Steel
Reach Level 10
Join the Minutemen
Reach Level 5
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"
Start a Spectated Arena Fight in a Settlement
Have 5 Tamed Creatures in a Settlement
Build One of Every Cage Type
Defeat 30 Far Harbor Sea Creatures
Collect all issues of "The Islander's Almanac" magazine
Unlock 3 Far Harbor Workshop Locations
Cook One of the New Far Harbor Recipes
Discover 20 Far Harbor Locations
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"
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
Redeem 100,000 tickets at the Nuka-Cade
Establish 8 Raider Camps in the Commonwealth
Create 20 different flavors of Nuka-Cola
Complete 12 quests for any Nuka-World Raider Gangs
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"