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