While this version added Windows 7 64-bit support, it was developed during the transition from XP to 7. Below are the official system requirements: Requirement Specification
: This means the radio contains a firmware version newer than what R06.12.05 can handle. You will need to upgrade to a newer version of the CPS (such as R06.12.09 or later). If you need help setting up your fleet, please let me know: motorola professional radio cps-r06.12.05 download