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