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