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