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