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