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