Use CX Pro 7.2.0, select unsupported app and use a WinXP bottle and then select the downloaded exe.
The installer will run without a hitch, once it started, click on Trial button and it will launch the web browser.
Enter the details, wait for the email, copy the key and paste into the laucher.
Program will start, it will detect you don't have flash installed and ask you to install it, this currently doesn't seem to work investigating.
Even without it though, you can load up a sample or create a new file.