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