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