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