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