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