The process of downloading the Linksys PLSK400 v1.0 Powerline Adapter Utility 1.4.2.0 for MAC driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Linksys PLSK400 v1.0 Powerline Adapter Utility 1.4.2.0 for MAC driver from the primary server - this is the manufacturer’s Linksys 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 Linksys PLSK400 v1.0 Powerline Adapter Utility 1.4.2.0 for MAC diver.