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