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