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