The RCA Digital Cable Modem Windows driver refers to the software necessary for your RCA Cable Modem to work properly when connected to a computer running the Windows operating system. Cable modems are used to provide internet access via cable TV lines, and they typically connect to your computer through an Ethernet port or via USB.

However, many modern cable modems, including those made by RCA, do not require a specific Windows driver for basic functionality. The modem typically works as a plug-and-play device with Windows, especially if it's connected via Ethernet. If your RCA cable modem does require additional software for specific features (such as a USB connection or configuration utilities), the appropriate driver is typically available from the RCA website or included in the modem's documentation.