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 7 DLC packs containing 34 achievements.
Kill 5 Giant Creatures
Complete 50 Misc. Objectives
Reach Maximum Happiness in a Large Settlement
Collect 20 Vault-Tec Bobbleheads
Create 50 Weapon Mods
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "The Nuclear Option"
Reach Level 50
Complete "Ad Victoriam"
Craft 100 Items
Complete "Blind Betrayal"
Placed A Grenade Or Mine While Pickpocketing
Complete "Nuclear Family"
Decide the Fate of the Commonwealth
Complete "Powering Up"
Complete "Mankind-Redefined"
Complete "Institutionalized"
Complete "The Molecular Level"
Collect 10 Vault-Tec Bobbleheads
Complete "Hunter/Hunted"
Hack 50 Terminals
Build 100 Workshop Items
Join the Railroad
Recruit 5 Separate Companions
Complete "Dangerous Minds"
Get a Touchdown
Kill 300 People
Complete "Old Guns"
Read 20 Magazines
Complete "Reunions"
Complete 10 Side Quests
Reach Level 25
Kill 300 Creatures
Complete "Taking Independence"
Reach Maximum Relationship Level with a Companion
Complete "Unlikely Valentine"
Pick 50 Locks
Discover 100 Locations
Ally with 3 Settlements
Gather 1000 Resources Used For Crafting
Get a Homerun
Join the Brotherhood of Steel
Reach Level 10
Join the Minutemen
Complete "Sanctuary"
Reach Level 5
Complete "When Freedom Calls"
Enter The Wasteland
Play a Holotape Game
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
Complete the quest "Close to Home"
Complete the quest "Cleansing the Land"
Complete the quest "The Way Life Should Be"
Defeat 30 Far Harbor Sea Creatures
Collect all issues of "The Islander's Almanac" magazine
Unlock 3 Far Harbor Workshop Locations
Discover 20 Far Harbor 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
Display a weapon on a weapon rack, armor on an armor rack, and power armor in a power armor display
Assign a settler to a pillory
Complete 12 quests for any Nuka-World Raider Gangs
Create 20 different flavors of Nuka-Cola
Redeem 100,000 tickets at the Nuka-Cade
Establish 8 Raider Camps in the Commonwealth
Collect every issue of Scav! Magazine
Complete "Power Play"
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Complete "Home Sweet Home"
Complete "The Grand Tour"
Complete "Taken for a Ride"