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