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