Use virtuemart 2.06 configuration to use the download not found

[artifis]

I want to use virtuemart 2.06 and joomla 2.5 and wants to use the file upload files to sell videos and mp3 streeming.
I can not find the configuration of this option where the option is to use the download with virtuemart 2.06

Thank

JLF

[Milbo]

http://extensions.virtuemart.net/extensions-virtuemart-2/shipment-for-virtual-products-detail