Downloaded file turn to Winrar format

[Guest]

I've downloaded a 32-bit file through download manager. But it becomes a
Winrar file, and can't be unzipped or installed. Should it be a ISO format
file, and how I can I change it?
And, Nero said the file can't not be burnt as ISO format as it is over 2G. I
burnt it as UDP compilation. Yet, the file appear as Winrar format and can't
be installed.
Thanks anybody for help.

 

[SAM-R]

Open the Winrar console and uncheck .iso from the files list. You should
then see the file as an .iso file. I use Nero 6.6 and I burn Vista to DVD
with no problems. So yes Nero will burn files over 2 GB in size.