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.
Build 100 Workshop Items
Join the Brotherhood of Steel
Complete "Sanctuary"
Join the Minutemen
Reach Maximum Happiness in a Large Settlement
Create 50 Weapon Mods
Complete "When Freedom Calls"
Enter The Wasteland
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Nuclear Family"
Complete "Powering Up"
Complete 50 Misc. Objectives
Collect 20 Vault-Tec Bobbleheads
Kill 5 Giant Creatures
Collect 10 Vault-Tec Bobbleheads
Get a Homerun
Placed A Grenade Or Mine While Pickpocketing
Decide the Fate of the Commonwealth
Complete "The Nuclear Option"
Complete "Ad Victoriam"
Hack 50 Terminals
Complete "Blind Betrayal"
Complete "Mankind-Redefined"
Complete "Institutionalized"
Complete "The Molecular Level"
Reach Level 50
Join the Railroad
Complete "Hunter/Hunted"
Play a Holotape Game
Read 20 Magazines
Complete 10 Side Quests
Complete "Dangerous Minds"
Complete "Reunions"
Reach Maximum Relationship Level with a Companion
Kill 300 People
Complete "Old Guns"
Craft 100 Items
Recruit 5 Separate Companions
Reach Level 25
Get a Touchdown
Discover 100 Locations
Complete "Taking Independence"
Kill 300 Creatures
Ally with 3 Settlements
Pick 50 Locks
Gather 1000 Resources Used For Crafting
Complete "Unlikely Valentine"
Reach Level 10
Reach Level 5
Complete "Restoring Order"
Complete "Headhunting"
Unlock 10 Robot Mods
Build 10 Robot Mods
Complete "Mechanical Menace"
Build One of Every Cage Type
Have 5 Tamed Creatures in a Settlement
Start a Spectated Arena Fight in a Settlement
Collect all issues of "The Islander's Almanac" magazine
Complete the quest "Close to Home"
Complete the quest "Cleansing the Land"
Complete the quest "The Way Life Should Be"
Defeat 30 Far Harbor Sea Creatures
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"
Become Overseer
Unlock all build areas of Vault 88
Equip Vault 88 suit and Pip-boy on a settler
Produce 100 objects from your builders
Assign a settler to a pillory
Display a weapon on a weapon rack, armor on an armor rack, and power armor in a power armor display
Create 20 different flavors of Nuka-Cola
Collect every issue of Scav! Magazine
Complete "Power Play"
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Establish 8 Raider Camps in the Commonwealth
Complete "Home Sweet Home"
Complete "The Grand Tour"
Redeem 100,000 tickets at the Nuka-Cade
Complete 12 quests for any Nuka-World Raider Gangs
Complete "Taken for a Ride"