Nothing appear after clicking "Test Form" btn

I just downloaded this extension. I created a form to test. So far, I only got 1 text field. Nothing shows up after I clicked the "Test Form" button. Is there anything I should do to make the form appear? I tried to save it first, doesn't work, either.

Thank everyone in advance.

Yes, I can see my form now. Thank you so much.

I am getting blank page in the process of saving a created form. I have installed and re-installed chronoform.. What could be the reason because I don't have problems with other extension
meanwhile the recaptcha is not also working

a blank page means an error, try to set the "error reporting" to "maximum" under the Joomla global configuration and save the form again, do you receive any errors ?