There was a download of HC04/06 bluetooth module configuration tool 1.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program can also be called "HC0406 bluetooth module configuration tool".
We recommend checking the downloaded files with any free antivirus. The actual developer of the free software is smarpl.com. The most popular version among HC04/06 bluetooth module configuration tool users is 1.0. HC04/06 bluetooth module configuration tool is included in System Utilities.
From the developer:
hc04conf program configures HC04/HC06 aka "linvor" bluetooth modules connected to the serial port (or USB to serial converter) of your machine. Using hc04conf, you can configure pairing PIN, bluetooth device name, and serial baud rate of the connected bluetooth module.
One of the useful features of the hc04conf program is its ability to automatically detect serial baud rate of the connected module.
You may want to check out more software, such as Fatek Ethernet Module Configuration tool, BTC-1X Configuration Tool or Bluetooth Software Update Tool, which might be related to HC04/06 bluetooth module configuration tool.
Network tools
Device Assistants