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