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