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