E-mail
Your e-mail is used to alert you when you have been added to the system, or if any errors occur with your hosting. It will not be used for any other reason.

Username
Used to log in to your account.

Folder name
Whatever you put here will be displayed in your base URL:
https://host.kyaa.fun/FOLDERNAME/

Password
Your password is saved in an encrypted state. Don't forget it, and just to be safe, don't use an important password that you use for other services!