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.
Complete "Hail Sithis!"
Complete "Bound Until Death"
Complete "Glory of the Dead"
Join the Dark Brotherhood
Collect 15 Daedric Artifacts
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Returned the Thieves Guild to its former glory
Get married
Complete "Elder Knowledge"
Learn 20 shouts
Complete "Darkness Returns"
Complete "Alduin's Wall"
Have 100,000 gold
Reach Level 50
Read 50 Skill Books
Pick 50 locks and 50 pockets
Complete 10 side quests
Join the Thieves Guild
Become a member of the Circle
Clear 50 dungeons
Find 13 Standing Stones
Join the Companions
Absorb 20 dragon souls
Complete "Diplomatic Immunity"
Get a skill to 100
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Complete 50 Misc Objectives
Make a smithed item, an enchanted item, and a potion
Successfully persuade, bribe, and intimidate
Discover 100 Locations
Reach Level 25
Acquire a Daedric Artifact
Buy a house
Learn all three words of a shout
Join the Stormcloaks or the Imperial Army
Join the College of Winterhold
Reach Level 10
Chop wood, mine ore, and cook food
Complete "The Way of the Voice"
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Reach Level 5
Select a Standing Stone blessing
Complete "Unbound"
Complete "The Fallen"
Complete "Dragonslayer"
Escape from jail
Bounty of 1000 gold in all nine holds
Learn all 3 words of Dragon Aspect
Learn the secrets of 5 Black Books
Discover 30 locations on the island of Solstheim
Own a house in Raven Rock
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Craft an item out of Stalhrim
Tame and ride 5 dragons
Acquire 11 vampire perks
Acquire 11 werewolf perks
Complete "Lost to the Ages"
Use the special power of Auriel's Bow
Complete "Kindred Judgment"
Complete "Beyond Death"
Complete "Awakening"
Learn all three words of Soul Tear
Change your face
Defeat a Legendary Dragon
Buy three plots of land
Adopt a child
Buy a plot of land
Build three wings on a house
Build three houses