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