In Control Panel → Programs and Features, when you click on the PI programs in general (i.e. not just those that are part of PI Server), you will see that most of them use an HTTP link for their "Help link", "Support link", and "Update information". Please use the HTTPS versions of these links. This would help show that AVEVA cares about the privacy of their customers. It would also be more accurate since the HTTP links redirect to HTTPS.
I posted a more generalized suggestion here: