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