Please note that this extension requires the HTTP Downloader application to operate properly. You can download it from here: https://erickutcher.github.io/#HTTP_Downloader The server in HTTP Downloader's options must be enabled for this extension to work. HTTP Downloader is a download manager for the HTTP(S), FTP(S), and SFTP protocols. Maximize your download throughput by utilizing high performance input/output completion ports (IOCP). HTTP Downloader can open thousands of connections at a time and consumes very little system resources.