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