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