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