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