I am just trying to register my guarantee for a fork and spade

Please let me know the simplest way to register my guarantee

Trevor

You can check out the guides below to create a form to register your guarantee:

https://www.jotform.com/help/chapter-2-Create+Forms 

https://www.jotform.com/help/2-How-to-Create-Your-First-Web-Form 

You can use payment integrations on your form, if you want to collect payments:

https://www.jotform.com/help/323-Mastering-Payment-Form-Integrations-with-JotForm 

Do review and let us know if you have any further questions.