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