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