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