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