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