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