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