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