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