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