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