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