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