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