How can I set download file as zip file and with an order number?

how i can set download file as zip file and with the order # in "submit artwork" 

i can see the order # on file name ,will be easy for us know which order artwork 

For the order number, you can add the Unique ID widget to your form. In this way, it allows you to stamp your form with a Unique ID which can be used to identify or search the form with precision. Here's the widget link: https://www.jotform.com/widgets/autoincrement

You can update your File Upload field and accept zip files only. Here's a guide to accept or not any file types to your Upload field: https://www.jotform.com/help/29-How-to-Change-the-Allowed-File-Types-in-the-Upload-Field