During installation, ensure "Install USB Drivers" is checked to allow the computer to communicate with the cable.
While VCDS 20.12 is an older version, the general installation process for official software is straightforward. Licensed users should always prioritize official updates to ensure interface safety. Installing VCDS vcds 20.12 download
VCDS 20.12 remains a capable and stable version of diagnostic software for VAG group vehicles. However, the search for a download link should be approached with caution. During installation, ensure "Install USB Drivers" is checked