As others have said, this does not work AT ALL. Once the files are selected there is no green download button to click. It just sits there showing a list of files.

This is the web page I tried it on. It identified about a couple of hundred files but will not download any.

https://www.livelingua.com/spanish/courses/dli/Spanish_Language_Course_-_SOLT_Course:_Workbook/#description