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