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