The process of downloading the Nikon 1 J1 Camera Firmware A:1.20/B:1.20 for Mac OS driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Nikon 1 J1 Camera Firmware A:1.20/B:1.20 for Mac OS driver from the primary server - this is the manufacturer’s Nikon official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Nikon 1 J1 Camera Firmware A:1.20/B:1.20 for Mac OS diver.