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