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