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