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