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