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