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
Get married
Complete "Hail Sithis!"
Complete "Bound Until Death"
Escape from jail
Get a skill to 100
Complete "Dragonslayer"
Absorb 20 dragon souls
Complete "The Fallen"
Complete "Elder Knowledge"
Complete "Glory of the Dead"
Capture Solitude or Windhelm
Clear 50 dungeons
Complete "Alduin's Wall"
Join the Dark Brotherhood
Capture Fort Sungard or Fort Greenwall
Join the Stormcloaks or the Imperial Army
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Complete "Darkness Returns"
Read 50 Skill Books
Become a member of the Circle
Discover 100 Locations
Make a smithed item, an enchanted item, and a potion
Complete "Diplomatic Immunity"
Reach Level 25
Complete 50 Misc Objectives
Chop wood, mine ore, and cook food
Join the College of Winterhold
Join the Thieves Guild
Learn all three words of a shout
Complete 10 side quests
Join the Companions
Successfully persuade, bribe, and intimidate
Acquire a Daedric Artifact
Complete "The Way of the Voice"
Buy a house
Reach Level 10
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Select a Standing Stone blessing
Reach Level 5
Complete "Unbound"
Returned the Thieves Guild to its former glory
Pick 50 locks and 50 pockets
Bounty of 1000 gold in all nine holds
Have 100,000 gold
Collect 15 Daedric Artifacts
Reach Level 50
Arrive on Solstheim
Complete "The Temple of Miraak"
Complete "The Path of Knowledge"
Complete "At the Summit of Apocrypha"
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
Change your face
Complete "Awakening"
Complete "Beyond Death"
Complete "Kindred Judgment"
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
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