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