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