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