Use a tool like WinRAR or 7-Zip to extract the contents. You should see a file with a .bin extension.

To download the firmware or software update in .rar format, you typically need to visit the official iSTAR support portal or a verified satellite receiver forum. Direct Download Sources

Once you have downloaded the .rar file, follow these steps to update your receiver:

It is recommended to backup your channel list before performing a factory reset or a major software update.