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