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