Since this file likely requires specific software to open, and because it is "part 06," it is part of a larger set of files (e.g., part 01, 02... up to 06 or more) that must all be in the same folder to work properly. Understanding the File: fc2ppv4528563part06rar This indicates it is a RAR archive file.
If you encounter any issues during the installation process, here are some general troubleshooting steps: fc2ppv4528563part06rar install