The Corel CDR4 Windows driver typically refers to a driver or software package associated with the CorelDRAW Graphics Suite (version 4) or possibly a specific peripheral device (like a printer, scanner, or plotter) used with CorelDRAW. In the context of CorelDRAW, "CDR4" refers to an older version of the CorelDRAW software, and its associated drivers would allow the software to interface with hardware such as plotters or printers for design output.
If you're asking about Corel CDR4 in relation to a device driver, it's likely you are dealing with one of the following: