I have a Win98SE OS and the manual says the product is compatible for the cameraphone's model and OS,but the Motorolla toll free number says I have to get the 3.0-3.5 version for my OS and so I recently did so from Amazon..in the beginning the pixs transfer was working but the internet access say an error message stating port not available or something like that..I tried uninstalling and reinstalling it several times as well as downloading the slow live update from a 4.122 to a 4.221 version and it still did'nt work..maybe I'm doing something wrong,but then again I'm not computer savvy..good luck if you can figure it out..I think the 3.0 version would work from Amazon..