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