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