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