These files will be located in C:\RPS\RAMV\USBDrivers\US1B. Select either the x64 or x86 folder depending on if your operating system is a 64-bit or 32-bit system. The file name is RBUS1CP.inf.
To automatically install the driver, you can also run the dpinst.exe file located in the same folder. To run it, right-click on the dpinst.exe file and select Run As Administrator.