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