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