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