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