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