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