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