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