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