The QR code downloads a payload from gateway servers, it doesn't matter what application you launch on your computer to display the QR code. You only have to scan the qr code once. Next time you want to use gateway, just pretend like you're going to scan the qr code, and when it comes time to scan it, it'll just boot gateway.sorry for the noob question i have not done this before,can i save the QR image & use it from my desktop or do i have to use the one on the gw website ? how does the QR code work exactly ? does it download anything from the web when you scan it ?