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