One of the most significant aspects of the license.xml system is its . As noted in the LaunchBox Licensing FAQ , once you have your file, you can copy it to as many personal devices as you own. This aligns with the "forever" ownership philosophy common in the retro gaming community; you aren't tethered to a server or a login system to access the software you purchased. Installation and Use Installing the license is designed to be user-friendly:
Sometimes LaunchBox creates a license.bak file next to the XML file. This is an automatic backup. If your main license.xml corrupts, delete it and rename license.bak to license.xml . Restart LaunchBox.
Since your License.xml is small (a few kilobytes), there is no excuse not to back it up.
Only to verify that the file is not empty (0 KB) or to check that the email field contains the correct address.