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