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