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