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