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