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