Ensure the option to install USB drivers is checked before completing the installation wizard.
During installation, allow the software to install the USB drivers; otherwise, the laptop won't "see" the cable.
If you're interested in trying VCDS 20.4.2 for yourself, here are a few steps to get started:
Turn off aggressive anti-virus software during installation, as deep diagnostic tools can sometimes trigger false-positive alerts.
Inclusion of newer ASAM datasets (DS296), essential for communicating with modern, complex electronic control units.
Historically known as VAG-COM, VCDS replaces expensive factory scan tools by translating proprietary vehicle data streams into a readable graphical interface. Version 20.4.2 was rolled out as an incremental software update to the major 20.4 release branch. It focuses heavily on updating internal diagnostic datasets and expanding coverage to model years up to late 2020. Key Technical Specifications & Changelog
All major platforms sharing architectures with VW models (e.g., Octavia, Leon, Fabia, Ibiza).