Genuine VCDS software is free to download from the Ross-Tech website. However, the software will only function if it detects a genuine Ross-Tech interface cable (such as the HEX-V2 or HEX-NET). The license key is embedded inside the smart chip of the official cable itself.
Avoid this executable. If budget is a constraint, look into legitimate, lower-cost alternatives like OBDeleven or Carista for basic coding, or invest in the genuine Ross-Tech VCDS cable for a professional-grade, safe, and supported diagnostic experience. The peace of mind alone is worth the price of admission.