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