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