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