How can I link to my paypal account?

I have added the form to my website and now I am trying to link paypal account. Need help

If I understood you want to have payment field inside of your form that is connected to your PayPal account. 

Inside of this guide you can find how to integrate your form with PayPal:

https://www.jotform.com/help/391-How-to-Integrate-Form-with-Paypal

Also please check this guides:

PayPal Forms

Difference Between PayPal & PayPal Pro

Setting Up Your First Order Form

Hope this will help. Let us know if you need further assistance.