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