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