How to use new advance download extension

Can anyone help me by providing details that how to use New Advance Download Extension. ؟

This is topic link

The developer give extension but doesn’t show demo blocks that how to use it.
And also there is no start download id block

Try it your self Where did you not understand

Try This

But i want to download file foreground as well as background .
And if i close the app and open app again than resume the file where i paused.
And these things doesn’t contain in original download component.