Because this is a "Part 08" file, it cannot be opened or extracted on its own. You will need all the other parts (Part 01 through Part 07, and any subsequent parts) saved in the same folder to successfully access the content. Likely Contents
: Ensure you have ER40V.part01.rar through ER40V.part08.rar in one directory. ER40V.part08.rar
: Use WinRAR (official) or 7-Zip (free, open-source). Because this is a "Part 08" file, it