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