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