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