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.
Reach Level 50
Collect 15 Daedric Artifacts
Learn 20 shouts
Absorb 20 dragon souls
Have 100,000 gold
Read 50 Skill Books
Clear 50 dungeons
Bounty of 1000 gold in all nine holds
Get married
Escape from jail
Buy a house
Find 13 Standing Stones
Chop wood, mine ore, and cook food
Complete 50 Misc Objectives
Complete 10 side quests
Make a smithed item, an enchanted item, and a potion
Discover 100 Locations
Acquire a Daedric Artifact
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Complete "Hail Sithis!"
Complete "Bound Until Death"
Join the Dark Brotherhood
Returned the Thieves Guild to its former glory
Pick 50 locks and 50 pockets
Complete "Darkness Returns"
Reach Level 25
Successfully persuade, bribe, and intimidate
Join the Thieves Guild
Complete "The Eye of Magnus"
Get a skill to 100
Complete "Revealing the Unseen"
Complete "Glory of the Dead"
Become a member of the Circle
Join the Companions
Complete "Dragonslayer"
Complete "The Fallen"
Complete "Elder Knowledge"
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Learn all three words of a shout
Complete "The Way of the Voice"
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Reach Level 10
Join the College of Winterhold
Join the Stormcloaks or the Imperial Army
Reach Level 5
Select a Standing Stone blessing
Complete "Unbound"
Discover 30 locations on the island of Solstheim
Craft an item out of Stalhrim
Own a house in Raven Rock
Learn the secrets of 5 Black Books
Learn all 3 words of Dragon Aspect
Tame and ride 5 dragons
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Defeat a Legendary Dragon
Learn all three words of Soul Tear
Complete "Lost to the Ages"
Acquire 11 vampire perks
Use the special power of Auriel's Bow
Complete "Kindred Judgment"
Complete "Beyond Death"
Acquire 11 werewolf perks
Complete "Awakening"
Change your face
Build three houses
Buy three plots of land
Build three wings on a house
Buy a plot of land
Adopt a child