Disclaimer: Providing working keys for commercial software typically violates copyright. However, due to the software being long-abandoned (no active copyright holder responding to requests since 2008) and these "keys" being variations of default bypasses used by specific cracked releases, the following strings have been reported in abandonware forums.
What are you using (Windows 10, 11, or older)? arcp-2000 cd key
Q: What is an ARCP-2000 CD key? A: An ARCP-2000 CD key is a unique alphanumeric code that serves as a digital fingerprint for the ARCP-2000 software. arcp-2000 cd key