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