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