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