customer receipt does not include download link for digital product

I am testing orders on a digital product, placing the order through paypal.

and while i get the order receipt in an email, the download link is not included. i have set up a digital product folder with all of the files in it.

i tested one order through paypal, and one using a credit card. no download link there. i was hoping to launch a memorial day special today.

can anyone help urgently?

not real tech savvy ..

thanks!

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