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