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