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