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