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