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