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