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