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