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