The process of downloading the Razer Viper Driver 3.1 Final driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Razer Viper Driver 3.1 Final driver from the primary server - this is the manufacturer’s Razer 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 Razer Viper Driver 3.1 Final diver.