ALL files must be uploaded to your "public_html" or "www" directory when your hosting panel is Cpanel.
ALL files must be uploaded to your "httpdocs directory
In both cases you can use File Manage in your hosting panel to upload files. This however, is relatively more time consuming process. We recommend that you us standar ftp client for upload your files to the server. Files are uploaded to your account via fliezilla, WS_FTP, CuteFTP, or Fetch or any other FREE FTP program that you may prefer.