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