Your current Mistral program Registration Code can be found by opening the file 'mistral.reg' using Notepad or similar. The 'mistral.reg' file will be found in the same folder as pointed to by your Mistral desktop icon. The Registration Code comprises 24 alpha-numeric characters. There may be more than one such 24 character string in your 'mistral.reg' file. If so please select the last (lowest) one that appears. If unsure how to find this information please ask your system administrator.