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