THis extension wants you to install another prgram on your computer! Write about this in a visible place on top of the page, don't hide the truth!


"Video DownloadHelper Companion App 1.6.3

Some operations required by Video DownloadHelper cannot be performed from within the browser. In order to be able to still do the job, the add-on relies on an external application that is called transparently. We call it the Companion Application.

Windows

Download and double-click the file, then follow instructions"