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