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"
Complete "Nuclear Family"
Decide the Fate of the Commonwealth
Complete "Powering Up"
Complete "Mankind-Redefined"
Complete "Institutionalized"
Complete "The Molecular Level"
Complete "Hunter/Hunted"
Complete 50 Misc. Objectives
Reach Maximum Happiness in a Large Settlement
Craft 100 Items
Placed A Grenade Or Mine While Pickpocketing
Play a Holotape Game
Get a Touchdown
Get a Homerun
Complete "Dangerous Minds"
Complete "Reunions"
Collect 20 Vault-Tec Bobbleheads
Join the Brotherhood of Steel
Join the Railroad
Complete "Unlikely Valentine"
Collect 10 Vault-Tec Bobbleheads
Recruit 5 Separate Companions
Complete 10 Side Quests
Kill 5 Giant Creatures
Reach Level 50
Complete "Old Guns"
Complete "Taking Independence"
Hack 50 Terminals
Join the Minutemen
Kill 300 People
Reach Maximum Relationship Level with a Companion
Create 50 Weapon Mods
Discover 100 Locations
Reach Level 25
Build 100 Workshop Items
Kill 300 Creatures
Read 20 Magazines
Ally with 3 Settlements
Pick 50 Locks
Gather 1000 Resources Used For Crafting
Reach Level 10
Complete "Sanctuary"
Complete "When Freedom Calls"
Reach Level 5
Enter The Wasteland
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"
Complete the quest "The Way Life Should Be"
Complete the quest "Cleansing the Land"
Discover 20 Far Harbor Locations
Collect all issues of "The Islander's Almanac" magazine
Defeat 30 Far Harbor Sea Creatures
Complete the quest "Where You Belong"
Unlock 3 Far Harbor Workshop Locations
Cook One of the New Far Harbor Recipes
Complete the quest "Far From Home"
Become Overseer
Unlock all build areas of Vault 88
Equip Vault 88 suit and Pip-boy on a settler
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
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Create 20 different flavors of Nuka-Cola
Establish 8 Raider Camps in the Commonwealth
Redeem 100,000 tickets at the Nuka-Cade
Collect every issue of Scav! Magazine
Complete "Power Play"
Complete "Home Sweet Home"
Complete "The Grand Tour"
Complete 12 quests for any Nuka-World Raider Gangs
Complete "Taken for a Ride"