That and most proffie setup video's are old and will guide you to use zadig which is the old way of setup, use this guide for setup instead: https://pod.hubbe.net/proffieboard-setup.html
There is also relatively new all in one software that will allow altering as well as uploading from the same program and does all the dependency installs for you: https://github.com/ryryog25/ProffieConfig/wiki/ProffieConfig
As for a backup of your config, there should be a .h file that is a backup of the config on the SD card, though resellers have a tendency to not include this.