I use currently Red Hat 7.1. Today I download (from http://www.linuxiso.org, with DSL) the Red Hat 7.3 beta and want to install on my machine. However, the file that I downloaded is in ISO format. For me it?s not clear whether I download the correct file or not. Because I check that on my old Red Hat 7.1 CD it has directory but the new version contains just ISO file. Now I want to copy the file from my hardrive to cd and install Red Hat 7.3. Also, What is i586 and i386?