I need to link my form to my website and include Square and Paypal payment options

You can only use one payment tool per form. If you want to use Square payment in one form, you will have to use Paypal payment on another form.

Please check this article to learn how to add payment tools to your form.

https://www.jotform.com/help/47-Order-Form-Basics

https://www.jotform.com/help/165-Setting-Up-Your-First-Order-Form

If you need further assistance, let us know.