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