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