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