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