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"
Reach Maximum Happiness in a Large Settlement
Decide the Fate of the Commonwealth
Complete "The Nuclear Option"
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Collect 20 Vault-Tec Bobbleheads
Complete "When Freedom Calls"
Enter The Wasteland
Complete "Institutionalized"
Complete "The Molecular Level"
Complete "Hunter/Hunted"
Complete 50 Misc. Objectives
Collect 10 Vault-Tec Bobbleheads
Complete "Dangerous Minds"
Complete 10 Side Quests
Recruit 5 Separate Companions
Kill 5 Giant Creatures
Reach Level 50
Join the Railroad
Placed A Grenade Or Mine While Pickpocketing
Play a Holotape Game
Complete "Reunions"
Get a Homerun
Hack 50 Terminals
Complete "Unlikely Valentine"
Complete "Old Guns"
Complete "Taking Independence"
Kill 300 People
Reach Level 25
Kill 300 Creatures
Pick 50 Locks
Read 20 Magazines
Reach Maximum Relationship Level with a Companion
Craft 100 Items
Discover 100 Locations
Ally with 3 Settlements
Join the Brotherhood of Steel
Build 100 Workshop Items
Get a Touchdown
Create 50 Weapon Mods
Join the Minutemen
Gather 1000 Resources Used For Crafting
Reach Level 10
Complete "Sanctuary"
Reach Level 5
Complete "Restoring Order"
Complete "Headhunting"
Build 10 Robot Mods
Unlock 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"
Complete the quest "The Way Life Should Be"
Defeat 30 Far Harbor Sea Creatures
Collect all issues of "The Islander's Almanac" magazine
Unlock 3 Far Harbor Workshop Locations
Discover 20 Far Harbor Locations
Complete the quest "Where You Belong"
Cook One of the New Far Harbor Recipes
Complete the quest "Far From Home"
Unlock all build areas of Vault 88
Become Overseer
Equip Vault 88 suit and Pip-boy on a settler
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
Establish 8 Raider Camps in the Commonwealth
Complete "Power Play"
Complete "Home Sweet Home"
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 "The Grand Tour"
Complete 12 quests for any Nuka-World Raider Gangs
Complete "Taken for a Ride"