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