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