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
Reach Level 50
Kill 5 Giant Creatures
Recruit 5 Separate Companions
Complete "Nuclear Family"
Decide the Fate of the Commonwealth
Complete "Powering Up"
Complete "Mankind-Redefined"
Complete "Institutionalized"
Complete "The Molecular Level"
Complete "Hunter/Hunted"
Join the Brotherhood of Steel
Complete "Dangerous Minds"
Complete "Reunions"
Read 20 Magazines
Complete "Unlikely Valentine"
Complete 10 Side Quests
Discover 100 Locations
Kill 300 People
Get a Touchdown
Pick 50 Locks
Reach Level 25
Kill 300 Creatures
Create 50 Weapon Mods
Join the Railroad
Reach Maximum Relationship Level with a Companion
Craft 100 Items
Complete "Old Guns"
Build 100 Workshop Items
Complete "Taking Independence"
Ally with 3 Settlements
Gather 1000 Resources Used For Crafting
Reach Level 10
Complete "Sanctuary"
Join the Minutemen
Reach Level 5
Complete "When Freedom Calls"
Enter The Wasteland
Play a Holotape Game
Complete "The Nuclear Option"
Complete "Blind Betrayal"
Complete "Ad Victoriam"
Complete "Underground Undercover"
Complete "Rockets' Red Glare"
Reach Maximum Happiness in a Large Settlement
Hack 50 Terminals
Placed A Grenade Or Mine While Pickpocketing
Get a Homerun
Collect 10 Vault-Tec Bobbleheads
Collect 20 Vault-Tec Bobbleheads
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
Complete the quest "Close to Home"
Complete the quest "The Way Life Should Be"
Complete the quest "Cleansing the Land"
Defeat 30 Far Harbor Sea Creatures
Cook One of the New Far Harbor Recipes
Discover 20 Far Harbor Locations
Complete the quest "Where You Belong"
Unlock 3 Far Harbor Workshop 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
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
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
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