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