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