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