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