How do I put the link for Dropbox on the form?

I integrated Dropbox with my Jotform account as per instructions, but I don't know how to put that link on the form I am creating.

Your last form ID is not yet integrated with Dropbox. Please follow the steps from this guide for Dropbox integration:

https://www.jotform.com/help/77-Upload-to-Dropbox-with-JotForm