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