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