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 Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Join the Stormcloaks or the Imperial Army
Complete "Dragonslayer"
Complete "The Fallen"
Complete "Elder Knowledge"
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Find 13 Standing Stones
Read 50 Skill Books
Get married
Learn 20 shouts
Collect 15 Daedric Artifacts
Complete "Hail Sithis!"
Complete "Bound Until Death"
Complete "Glory of the Dead"
Become a member of the Circle
Bounty of 1000 gold in all nine holds
Escape from jail
Returned the Thieves Guild to its former glory
Have 100,000 gold
Complete "Darkness Returns"
Join the Dark Brotherhood
Pick 50 locks and 50 pockets
Join the Thieves Guild
Absorb 20 dragon souls
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Join the College of Winterhold
Reach Level 50
Complete 10 side quests
Get a skill to 100
Clear 50 dungeons
Successfully persuade, bribe, and intimidate
Discover 100 Locations
Complete 50 Misc Objectives
Reach Level 25
Chop wood, mine ore, and cook food
Make a smithed item, an enchanted item, and a potion
Acquire a Daedric Artifact
Learn all three words of a shout
Complete "The Way of the Voice"
Reach Level 10
Buy a house
Absorb a dragon soul
Join the Companions
Complete "Bleak Falls Barrow"
Reach Level 5
Select a Standing Stone blessing
Complete "Unbound"
Tame and ride 5 dragons
Craft an item out of Stalhrim
Learn the secrets of 5 Black Books
Discover 30 locations on the island of Solstheim
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Learn all 3 words of Dragon Aspect
Own a house in Raven Rock
Complete "The Temple of Miraak"
Arrive on Solstheim
Complete "Kindred Judgment"
Use the special power of Auriel's Bow
Learn all three words of Soul Tear
Complete "Beyond Death"
Acquire 11 werewolf perks
Acquire 11 vampire perks
Complete "Awakening"
Complete "Lost to the Ages"
Defeat a Legendary Dragon
Change your face
Adopt a child
Build three houses
Build three wings on a house
Buy three plots of land
Buy a plot of land