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