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