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