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