Hi.
Thank you for upgrading. There is detailed information here on the upgrade process:
videoflow.fidsoft.com/index.php?option=c...on-110-&Itemid=6
In answer to your questions, yes, you should receive a confirmation email after completing the PayPal transaction.
Note that after PayPal payment, you need to provide the transaction ID as mentioned on the pro upgrade panel.
You don't need to install anything else, apart from the pro templates. The documentation provides instructions on how to install templates.
Concerning the statistics, the media file may be accessed at the end of the upload process once or twice, depending on various factors. If this happens, 2 hits (and up to a maximum of 4) will be registered by the system.
Cheers.