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