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