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