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