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