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