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