If your purchase is not something that needs to be downloaded, ignore the download instructions and just enter your transaction number.
DOWNLOAD INSTRUCTIONS:
To download your package, choose a "Download Type", enter your Purchase Transaction Number and click "Submit".
Do NOT download (or Install) into a "default" folder. Create a folder for this purpose or have an empty folder available, then choose this folder for the download. This way, if you should ever decide to uninstall this package, all you'd have to do is delete or empty this folder.