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