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