Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Get married
Collect 15 Daedric Artifacts
Read 50 Skill Books
Pick 50 locks and 50 pockets
Find 13 Standing Stones
Have 100,000 gold
Bounty of 1000 gold in all nine holds
Escape from jail
Complete "Glory of the Dead"
Become a member of the Circle
Complete "Hail Sithis!"
Complete "Bound Until Death"
Join the Dark Brotherhood
Chop wood, mine ore, and cook food
Make a smithed item, an enchanted item, and a potion
Returned the Thieves Guild to its former glory
Complete "Darkness Returns"
Join the Thieves Guild
Join the Companions
Learn 20 shouts
Complete 50 Misc Objectives
Clear 50 dungeons
Absorb 20 dragon souls
Complete 10 side quests
Discover 100 Locations
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Successfully persuade, bribe, and intimidate
Complete "Dragonslayer"
Complete "The Fallen"
Join the Stormcloaks or the Imperial Army
Complete "Elder Knowledge"
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Complete "The Way of the Voice"
Acquire a Daedric Artifact
Buy a house
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Join the College of Winterhold
Reach Level 50
Reach Level 25
Reach Level 10
Reach Level 5
Get a skill to 100
Learn all three words of a shout
Select a Standing Stone blessing
Complete "Unbound"
Tame and ride 5 dragons
Discover 30 locations on the island of Solstheim
Craft an item out of Stalhrim
Learn the secrets of 5 Black Books
Complete "At the Summit of Apocrypha"
Learn all 3 words of Dragon Aspect
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Own a house in Raven Rock
Arrive on Solstheim
Complete "Lost to the Ages"
Acquire 11 werewolf perks
Use the special power of Auriel's Bow
Acquire 11 vampire perks
Change your face
Learn all three words of Soul Tear
Defeat a Legendary Dragon
Complete "Kindred Judgment"
Complete "Beyond Death"
Complete "Awakening"
Build three houses
Buy three plots of land
Build three wings on a house
Buy a plot of land
Adopt a child