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 7 DLC packs containing 34 achievements.
Complete "Rockets' Red Glare"
Complete "Mankind-Redefined"
Complete "The Nuclear Option"
Complete "Underground Undercover"
Complete "Powering Up"
Complete "Nuclear Family"
Complete "Blind Betrayal"
Decide the Fate of the Commonwealth
Complete "Ad Victoriam"
Complete 50 Misc. Objectives
Join the Railroad
Complete "Institutionalized"
Complete "The Molecular Level"
Complete "Hunter/Hunted"
Complete "Dangerous Minds"
Complete "Reunions"
Reach Maximum Happiness in a Large Settlement
Placed A Grenade Or Mine While Pickpocketing
Get a Homerun
Reach Level 50
Play a Holotape Game
Hack 50 Terminals
Reach Maximum Relationship Level with a Companion
Collect 20 Vault-Tec Bobbleheads
Complete "Unlikely Valentine"
Recruit 5 Separate Companions
Complete 10 Side Quests
Ally with 3 Settlements
Collect 10 Vault-Tec Bobbleheads
Kill 300 People
Kill 5 Giant Creatures
Read 20 Magazines
Discover 100 Locations
Reach Level 25
Pick 50 Locks
Create 50 Weapon Mods
Kill 300 Creatures
Join the Brotherhood of Steel
Complete "Old Guns"
Complete "Taking Independence"
Complete "Sanctuary"
Craft 100 Items
Gather 1000 Resources Used For Crafting
Join the Minutemen
Reach Level 10
Get a Touchdown
Build 100 Workshop Items
Reach Level 5
Complete "When Freedom Calls"
Enter The Wasteland
Complete "Restoring Order"
Unlock 10 Robot Mods
Build 10 Robot Mods
Complete "Headhunting"
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"
Collect all issues of "The Islander's Almanac" magazine
Complete the quest "Cleansing the Land"
Defeat 30 Far Harbor Sea Creatures
Complete the quest "The Way Life Should Be"
Complete the quest "Where You Belong"
Unlock 3 Far Harbor Workshop Locations
Discover 20 Far Harbor 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
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
Establish 8 Raider Camps in the Commonwealth
Complete "Power Play"
Complete "Home Sweet Home"
Complete 12 quests for any Nuka-World Raider Gangs
Create 20 different flavors of Nuka-Cola
Collect every issue of Scav! Magazine
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Complete "The Grand Tour"
Redeem 100,000 tickets at the Nuka-Cade
Complete "Taken for a Ride"