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