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 "Darkness Returns"
Read 50 Skill Books
Reach Level 50
Become a member of the Circle
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Join the Stormcloaks or the Imperial Army
Complete 10 side quests
Learn 20 shouts
Successfully persuade, bribe, and intimidate
Complete 50 Misc Objectives
Complete "Dragonslayer"
Complete "The Fallen"
Complete "Elder Knowledge"
Absorb 20 dragon souls
Clear 50 dungeons
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Discover 100 Locations
Reach Level 25
Get a skill to 100
Acquire a Daedric Artifact
Buy a house
Learn all three words of a shout
Chop wood, mine ore, and cook food
Make a smithed item, an enchanted item, and a potion
Join the Companions
Join the Thieves Guild
Select a Standing Stone blessing
Join the College of Winterhold
Reach Level 10
Complete "The Way of the Voice"
Reach Level 5
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Complete "Unbound"
Complete "Glory of the Dead"
Returned the Thieves Guild to its former glory
Join the Dark Brotherhood
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
Craft an item out of Stalhrim
Learn all 3 words of Dragon Aspect
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
Learn the secrets of 5 Black Books
Tame and ride 5 dragons
Own a house in Raven Rock
Change your face
Learn all three words of Soul Tear
Complete "Kindred Judgment"
Complete "Beyond Death"
Complete "Awakening"
Complete "Lost to the Ages"
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