For regular and bulk upload, we provide our customers an exclusive FTP details with Host: 1234, USER:1234 and PW:1234 that provides complete privacy and security for their intellectual property. To use this, you need an FTP software that can be downloaded from filezilla-project and installed by double clicking on .exe, to set-up an FTP account. You can go through the set-up tutorial to know more about it.
And in case you want to use TransferBIGFiles, that's also FREE and easy to use. Here also, you are required to create an account.