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