Cant upload & Download Through internet

I am trying to upload & download files from my WDmycloud through internet, 

I am not on my home network, i am not to upload and download any files,

on last moment i am getiing error, please tell  me solution

  1. Do you have “Cloud Access” on?
  2. Have you made a “ Login” for the user you are using?
  3. Are you using the “Desktop App” to try to upload or download file?
  4. Have you tried logging in to ? What does it display?
  5. Are you using a Mobile App or PC?