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