Which are you using (ELM327, OBDLink, etc.)?
The file is approximately . Without a license, the software runs in Evaluation Mode , which only allows you to view Engine RPM and playback existing log files. Purchase a License Key Pcmscan V2 4.12 License Key LINK
Download the official installer for PCMSCAN v2.4.12 from Palmer Performance Engineering . Which are you using (ELM327, OBDLink, etc