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