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