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