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