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