the software can be used without an internet connection
but we need internet access,
to show you the availability of software/data updates
to transfer the software update from our server to your PC
activate the full version of the software after purchase
optional: to access certain pages of our homepage from the software (using your standard web browser)
our software uses the HTTP protocol for Internet communication via the standard port 80. HTTP protocol is used to "call" so-called web services/web APIs on our servers. The above tasks/functions are executed via these Web services.
You may need to specify/enter a proxy server for the Internet connection to work. If necessary, contact your system administrator to obtain the necessary data.