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
Have 100,000 gold
Learn 20 shouts
Reach Level 50
Escape from jail
Find 13 Standing Stones
Complete "Darkness Returns"
Pick 50 locks and 50 pockets
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Join the Stormcloaks or the Imperial Army
Complete "Dragonslayer"
Complete "The Fallen"
Complete "Elder Knowledge"
Get a skill to 100
Clear 50 dungeons
Absorb 20 dragon souls
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Complete "Hail Sithis!"
Read 50 Skill Books
Complete "Bound Until Death"
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Complete 10 side quests
Make a smithed item, an enchanted item, and a potion
Get married
Discover 100 Locations
Learn all three words of a shout
Reach Level 25
Acquire a Daedric Artifact
Complete 50 Misc Objectives
Join the Dark Brotherhood
Successfully persuade, bribe, and intimidate
Join the Thieves Guild
Complete "Glory of the Dead"
Join the College of Winterhold
Complete "The Way of the Voice"
Chop wood, mine ore, and cook food
Reach Level 10
Become a member of the Circle
Buy a house
Reach Level 5
Join the Companions
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Select a Standing Stone blessing
Complete "Unbound"
Bounty of 1000 gold in all nine holds
Collect 15 Daedric Artifacts
Learn the secrets of 5 Black Books
Complete "At the Summit of Apocrypha"
Learn all 3 words of Dragon Aspect
Discover 30 locations on the island of Solstheim
Complete "The Path of Knowledge"
Own a house in Raven Rock
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
Use the special power of Auriel's Bow
Change your face
Complete "Lost to the Ages"
Complete "Kindred Judgment"
Complete "Beyond Death"
Complete "Awakening"
Acquire 11 werewolf perks
Acquire 11 vampire perks
Defeat a Legendary Dragon
Build three houses
Buy three plots of land
Adopt a child
Build three wings on a house
Buy a plot of land