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