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