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