It installs a privileged helper tool in /Library/PrivilegedHelperTools/ that resets local license files.
PD Runner 0.3.8 is a third-party, open-source utility designed for macOS that acts as a "launcher" for Parallels Desktop virtual machines. It is primarily used by individuals looking to run Windows or other guest operating systems without a paid subscription or after the official 14-day trial period has expired. Core Functionality PD Runner 0.3.8
Because it modifies system behavior, you need to grant it execution rights. Open your PD Runner 0.3.8