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