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