To help you get the exact version of Toyolex you need safely, I can help you:

Permanently removes specific error codes from the ECU.

Run a full antivirus scan immediately using Windows Defender or Malwarebytes.

Once you download the Toyolex3_Free_UPD.zip file, follow this general installation process:

Purchasing software through authorized distributors provides access to stable, verified code and technical support from the developers.

If you choose the free route: