Embrilliance embroidery software for Mac and PC

Does anyone have the Singer Futura Quintet and have any problems with embroidery file transfer to machine? If so, how did you resolve?

When I purchased the software for both Essentials and Enthusiast, I received both serial numbers. After uploading, the Serial Number box came up for me to input the serial numbers. When I input one serial number and click "SET," I would input another serial number and the box would only show the las...