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