When I test my form, it doesn't redirect to paypal. I have read all the instructions and, but when I click on the button, nothing happens

I just tested your payment jotform and I was redirected to Paypal side:

That was the standalone version of your form I tested, is this problem happening on your webpage where you have embedded it? If yes, please remove the embedded code and try embedding with the iFrame code, before embedding, copy the iFrame code in a notepad and remove the script part(highlighted code), example:

Then  embed it in your webpage. Let us know if you need further help.