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