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