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