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