Most TV tuner sticks that use Blaze Video software come with the serial number printed on a sticker on the device or on the CD sleeve it came with [1].
Files advertised as "serial keys" or "activators" are common delivery methods for viruses. Once downloaded, these files can encrypt your data (ransomware) or steal your login credentials (spyware). System Instability Blaze Hdtv Player V 6 0 Serial Number --39-LINK--39-