When installing a firmware update, you must be sure it is for the correct device.  Please check the included instructions on how to correctly identify the correct product for the included firmware update.  You may need to turn off virus scanners or firewalls in order to utilize the software.  You will require a Windows 7/10/11 PC in order to use the installer that is included in the download.  If you require additional information or support, please contact our team via rbhelp@retro-bit.com..