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