The process of downloading the Moxa NPort 1220 Drievr 3.45 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Moxa NPort 1220 Drievr 3.45 driver from the primary server - this is the manufacturer’s Moxa 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 Moxa NPort 1220 Drievr 3.45 diver.