Step by step instructions to download and install HP LoadRunner. Download LoadRunner free trial with our helpful screenshots. How To Install Hp Qc Download Tool' title='How To Install Hp Qc Download Tool' />Installing the HP Quality Center Connectivity Add On Tool. Open topic with navigation. In order to use HP Quality Center with Worksoft Certify, you need to install the HP Quality Center Connectivity Add On tool to the client machine. This tool enables Certify to communicate with the Quality Center. To install the HP Quality Center connectivity add on tool Open the HP Quality Center Application Lifecycle ManagementALM site. Click Tools. On the ALM Tools screen, click HP ALM Connectivity. On the HP ALM Connectivity screen, click Download HP ALM Connectivity. Save the TDConnnect.