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