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