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