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