This is because most Windows do not support A2DP stereo audio streaming via Bluetooth, the standard for music-listening through Bluetooth. The system will support keyboards, mice, printers etc. via Bluetooth, but not audio. It is necessary to download the proper drivers, either from the computer manufacturer, the software manufacturer or the manufacturer of the Bluetooth chip in the computer. Help to do this must be sought with the companies that supply one or more of these computer features.