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"
Complete "The Nuclear Option"
Decide the Fate of the Commonwealth
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Complete "Institutionalized"
Complete "The Molecular Level"
Complete "Hunter/Hunted"
Create 50 Weapon Mods
Collect 20 Vault-Tec Bobbleheads
Complete 50 Misc. Objectives
Kill 5 Giant Creatures
Reach Level 50
Complete "Dangerous Minds"
Complete "Reunions"
Complete "Unlikely Valentine"
Join the Brotherhood of Steel
Reach Maximum Happiness in a Large Settlement
Complete "Old Guns"
Complete "Taking Independence"
Collect 10 Vault-Tec Bobbleheads
Hack 50 Terminals
Placed A Grenade Or Mine While Pickpocketing
Read 20 Magazines
Kill 300 Creatures
Build 100 Workshop Items
Kill 300 People
Reach Level 25
Craft 100 Items
Complete 10 Side Quests
Pick 50 Locks
Recruit 5 Separate Companions
Reach Maximum Relationship Level with a Companion
Discover 100 Locations
Gather 1000 Resources Used For Crafting
Join the Railroad
Get a Homerun
Ally with 3 Settlements
Reach Level 10
Complete "Sanctuary"
Join the Minutemen
Get a Touchdown
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"
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"
Defeat 30 Far Harbor Sea Creatures
Complete the quest "The Way Life Should Be"
Complete the quest "Where You Belong"
Discover 20 Far Harbor Locations
Collect all issues of "The Islander's Almanac" magazine
Unlock 3 Far Harbor Workshop 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
Display a weapon on a weapon rack, armor on an armor rack, and power armor in a power armor display
Produce 100 objects from your builders
Assign a settler to a pillory
Redeem 100,000 tickets at the Nuka-Cade
Collect every issue of Scav! Magazine
Complete "Power Play"
Establish 8 Raider Camps in the Commonwealth
Complete "Home Sweet Home"
Complete "The Grand Tour"
Create 20 different flavors of Nuka-Cola
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Complete 12 quests for any Nuka-World Raider Gangs
Complete "Taken for a Ride"