Power Voice 11 does not have support for Windows 7, but there is a way to install its supporting drivers. Please go to Start > Run> type devmgmt.msc and attach the device to a PC. Then click on Scan for hardware changes and manually update the driver for the device using Properties > Driver > Update Driver. Select the CD with the old drivers and look for CenixFMC.inf and you will have a working device that is compatible with Windows 7.