With a single backup. Please understand: this free version will not be supported as good as the BackWPup Pro version. With our premium version you get first class support and more features. The complete series of five videos have been made available for free on YouTube. Are you a WordPress novice?
An upgrade failure can always happen! If you're a user of VirtueMart 1. You will probably have to confirm overwriting some existing files in these directories. An existing configuration file will not be overwritten. So the complete templating system has been changed.