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