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