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
Hack 50 Terminals
Reach Level 50
Complete "Nuclear Family"
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Powering Up"
Complete "Mankind-Redefined"
Complete "The Nuclear Option"
Decide the Fate of the Commonwealth
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Complete "Institutionalized"
Complete "The Molecular Level"
Reach Maximum Happiness in a Large Settlement
Kill 5 Giant Creatures
Craft 100 Items
Build 100 Workshop Items
Complete "Hunter/Hunted"
Kill 300 People
Collect 20 Vault-Tec Bobbleheads
Collect 10 Vault-Tec Bobbleheads
Complete "Dangerous Minds"
Complete 10 Side Quests
Complete "Reunions"
Read 20 Magazines
Recruit 5 Separate Companions
Complete "Unlikely Valentine"
Reach Maximum Relationship Level with a Companion
Complete "Old Guns"
Create 50 Weapon Mods
Discover 100 Locations
Reach Level 25
Kill 300 Creatures
Pick 50 Locks
Ally with 3 Settlements
Complete "Taking Independence"
Join the Railroad
Join the Brotherhood of Steel
Get a Homerun
Reach Level 10
Join the Minutemen
Get a Touchdown
Gather 1000 Resources Used For Crafting
Placed A Grenade Or Mine While Pickpocketing
Complete "Sanctuary"
Reach Level 5
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"
Have 5 Tamed Creatures in a Settlement
Start a Spectated Arena Fight in a Settlement
Build One of Every Cage Type
Defeat 30 Far Harbor Sea Creatures
Collect all issues of "The Islander's Almanac" magazine
Discover 20 Far Harbor Locations
Complete the quest "The Way Life Should Be"
Complete the quest "Cleansing the Land"
Complete the quest "Close to Home"
Unlock 3 Far Harbor Workshop Locations
Cook One of the New Far Harbor Recipes
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
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
Create 20 different flavors of Nuka-Cola
Collect every issue of Scav! Magazine
Redeem 100,000 tickets at the Nuka-Cade
Complete "Taken for a Ride"