How do I connect the form to our own domain?

How do I connect the form to our own domain (please provide a step by step guide)

You can embed a form to your web site: Which-Form-Embed-Code-Should-I-Use

If you would like to use your custom domain with a form, please review the following article: How-to-use-Custom-Domains-with-Jotform

Alternatively, there is an option to customize form link: How-to-Create-a-Custom-URL-of-a-Form