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