JDownloader 2 is the recommended choice because it is free and has a dedicated community that keeps its "decrypters" updated.
Search for "Israbox" or "IsraCloud" scripts on repositories like Greasy Fork Install the Script Once you find the script, click the israbox downloader install
Many users pair Israbox with tools like Free Download Manager or NeatDownloadManager to handle large RAR or FLAC files more reliably. JDownloader 2 is the recommended choice because it