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