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