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