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