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