Use a tool like 7-Zip to open the archive without extracting it. Look for a readme.txt or version.info file inside to identify the specific feature it enables.
Look at the folder or website where it was downloaded; the parent directory often names the software. CEMMGH_BM.rar
If you found this file on your system or a shared drive, you can determine its specific feature by: Use a tool like 7-Zip to open the