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