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