From the Sidexis 4.X CD, run the AutoRun program, and then click on Additional Components, then click Video Module and install the 64 bit Video Module.
Open Sidexis, then click the gear in the top right of the program, then click on Cameras. Then click Other, and chose "USB Video Device"
Open a patient in Sidexis, then click the intraoral camera icon in the bottom right corner of the program.
Now you may take images with your camera, including the capture button, when you are finished taking images press the escape key on the keyboard. All finished!