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