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