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