Very few software delivered and nothing in French. An initiatory journey on the Taiwanese website to update the driver who is older as the product packaging. That little work the first time but it could also have been a galley for a beginner then distrust if you are not accompanied. In detail it is necessary to know the available COM ports on the PC since USB port actually emulates a COM port prewar therefore distrust with any version of Windows and application software. I did not have much problem with Win 7 and SeaClear but not the first time. A faith updating the driver and made the setting of com safely made (No., speed ..) it works without problems including Google Maps and Google Earth. Brief equipment not too expensive, tight, small, practical with its magnetic media. For the rest not very user friendly.