Are you already installing the most recent Zing ZVM and ZST packages?
They are available for download on https://www.azul.com/software-downloads-and-documents/ and in addition they are available from the Zing package repository as documented in http://docs.azul.com/zing/index.htm#InstallZing.htm.
If you are not a customer, go to http://azul.com/zingtrial for receiving the most recent version.
To receive help for Zing installation issues or all other technical problems with Zing write to our support on email@example.com. Even if you are not a customer yet and have problems with the free Zing trial installation, please write to that address.
Also check the Zing documentation: http://docs.azul.com/zing