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