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