You can embed HubSpot Form from the Embed tab in the Add panel. You can check here to know more details about HubSpot Form

We do not provide support on how to use HubSpot itself.

For such information, please contact HubSpot.

1, Go to "Forms" in the HubSpot admin page and create a form.

2, Configure the form

3, After you submit the form settings, publish/update it, and copy the "embed code".

4, Select HubSpot from the Embed tab in the Add panel and paste the "embed code."
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That's it!

Please check if you can submit the form successfully in the published site.

If it works properly, you can see the submitted data in the HubSpot admin page.