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