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