How do I get my money from the form purchase?

I'm curious once someone uses my form, how can I get the money from there purchase?

If you're trying to create an Order form, please check this guide: https://www.jotform.com/help/165-Setting-Up-Your-First-Order-Form

You need to use Payment Processor to collect payments online. Please check the list of our payment processor app on this link: https://apps.jotform.com/category/payment_processing