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