Have you tried the V8 update yet? Let us know your thoughts in the comments below!
Scammers trick users by saying "Java Addon V8" unlocks cosmetics on Lunar Client or Badlion Client. java addon v8 mediafire
For educational purposes, I'll guide you through a basic concept of how you could approach this task using Java. Note that this example won't directly interact with MediaFire due to potential API and terms of service restrictions but will give you an idea of how to download a file from a given URL, which could be applicable if MediaFire allows direct file access. Have you tried the V8 update yet