How do I add a PayPal link to one of my forms?

https://form.jotform.com/212836121243042

You can add a link to your form using the Paragraph element.

However, if you are looking to integrate your form with PayPal, you may refer to this guide instead — https://www.jotform.com/help/50-paypal-forms/

Feel free to let us know if you need any further assistance.