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