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