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