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