I have a my Passport WD external hard drive that I was using to back up an old windows 10 PC. I no longer need the data on it. I want to start over and use it to back up a new windows 10 PC. How do I do that? Do I need to reformat the my Passport WD external hard drive and if so how do I do that? Wouldn’t that cause me to lose the WD backup software? Is it better to just somehow delete all the data that’s been backed up, leaving the backup SW intact, and then start from scratch backup up my new windows PC for the first time? If so, how do I do that?