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