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