Source the File: Locate the installer for version 17.1.3. Users typically find this on the official Ross-Tech archive or through the software CD provided with their interface cable.
For vehicle owners and technicians, the safest and most reliable path is to acquire the current version of VCDS directly from Ross-Tech. The investment ensures access to the latest vehicle protocols, technical support, and the safety of knowing the software will not damage the vehicle's electronics. Vcds 17.1.3 Download
If your budget is tight, buy a used genuine HEX-USB+CAN interface (supports software up to ~20.x) – often $100–150 on eBay. Source the File: Locate the installer for version 17