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