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