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