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"
Reach Maximum Happiness in a Large Settlement
Complete "Ad Victoriam"
Collect 20 Vault-Tec Bobbleheads
Collect 10 Vault-Tec Bobbleheads
Complete "The Nuclear Option"
Decide the Fate of the Commonwealth
Complete "Nuclear Family"
Complete "Powering Up"
Get a Homerun
Hack 50 Terminals
Create 50 Weapon Mods
Complete 50 Misc. Objectives
Complete "Mankind-Redefined"
Complete "Blind Betrayal"
Complete "Institutionalized"
Complete "The Molecular Level"
Placed A Grenade Or Mine While Pickpocketing
Kill 5 Giant Creatures
Build 100 Workshop Items
Join the Railroad
Complete "Hunter/Hunted"
Complete "Old Guns"
Complete "Taking Independence"
Reach Level 50
Ally with 3 Settlements
Join the Minutemen
Kill 300 People
Complete 10 Side Quests
Reach Maximum Relationship Level with a Companion
Read 20 Magazines
Kill 300 Creatures
Pick 50 Locks
Discover 100 Locations
Complete "Sanctuary"
Reach Level 25
Recruit 5 Separate Companions
Craft 100 Items
Complete "Dangerous Minds"
Gather 1000 Resources Used For Crafting
Complete "Reunions"
Complete "Unlikely Valentine"
Join the Brotherhood of Steel
Reach Level 10
Get a Touchdown
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
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"
Unlock 3 Far Harbor Workshop Locations
Discover 20 Far Harbor Locations
Defeat 30 Far Harbor Sea Creatures
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
Unlock all build areas of Vault 88
Become Overseer
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
Complete 12 quests for any Nuka-World Raider Gangs
Establish 8 Raider Camps in the Commonwealth
Complete "Power Play"
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Complete "Home Sweet Home"
Create 20 different flavors of Nuka-Cola
Collect every issue of Scav! Magazine
Complete "The Grand Tour"
Complete "Taken for a Ride"