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