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