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