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