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