The process of downloading the Realtek PCIE CardReader Driver 6.3.9600.21269 for Windows 8.1 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Realtek PCIE CardReader Driver 6.3.9600.21269 for Windows 8.1 driver from the primary server - this is the manufacturer’s Realtek 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 Realtek PCIE CardReader Driver 6.3.9600.21269 for Windows 8.1 diver.