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