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