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