Firstly, download and install the latest version of the program. After that, restart your web browser and enable the plugin from the Add-ons section. Next, reboot the PC, open the browser, access the website you want, right-click anywhere on the page and select Download all with Free Download Manager or Download video with Free Download Manager:
The application will display all the files that it can download. Select the ones you want to remove from the list and click Remove Selected. After that, select a destination directory using the Save to folder option and click OK.