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