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