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