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 "The Nuclear Option"
Decide the Fate of the Commonwealth
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Collect 20 Vault-Tec Bobbleheads
Reach Maximum Relationship Level with a Companion
Reach Level 50
Collect 10 Vault-Tec Bobbleheads
Complete 50 Misc. Objectives
Complete "Institutionalized"
Complete "The Molecular Level"
Join the Railroad
Kill 5 Giant Creatures
Join the Brotherhood of Steel
Complete "Hunter/Hunted"
Recruit 5 Separate Companions
Complete "Dangerous Minds"
Complete "Reunions"
Hack 50 Terminals
Complete "Unlikely Valentine"
Complete "Old Guns"
Complete 10 Side Quests
Complete "Taking Independence"
Kill 300 People
Reach Level 25
Discover 100 Locations
Kill 300 Creatures
Read 20 Magazines
Pick 50 Locks
Build 100 Workshop Items
Gather 1000 Resources Used For Crafting
Ally with 3 Settlements
Reach Level 10
Complete "Sanctuary"
Join the Minutemen
Get a Touchdown
Reach Level 5
Complete "When Freedom Calls"
Enter The Wasteland
Play a Holotape Game
Complete "Mankind-Redefined"
Complete "Powering Up"
Complete "Nuclear Family"
Complete "Underground Undercover"
Complete "Rockets' Red Glare"
Reach Maximum Happiness in a Large Settlement
Create 50 Weapon Mods
Craft 100 Items
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
Cook One of the New Far Harbor Recipes
Defeat 30 Far Harbor Sea Creatures
Complete the quest "Close to Home"
Complete the quest "Cleansing the Land"
Complete the quest "The Way Life Should Be"
Unlock 3 Far Harbor Workshop Locations
Complete the quest "Where You Belong"
Discover 20 Far Harbor Locations
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
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
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
Complete "Home Sweet Home"
Complete "Power Play"