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