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