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