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