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