i dont understand how to use jdownloader , so anyone can guide me ?

You start Jdownloader, click on Linkgrabber, click on add-urls, then you copy-paste the download links and click OK.

Now Jdownloader will check if the links are working, when it's done, you click on the continue button.

Now you can click the start button in the upper right corner and watch Jdownloader work its magic :)

Okay thanks , i will try :DD