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