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