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