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