You cannot access the ABS, Airbag, Transmission, or Instrument cluster. For a modern VAG owner, the free version is essentially useless.
Always download the clean, official installer directly from the Ross-Tech website. The current stable release is VCDS-Lite 1.2. Step 3: Install the Drivers and Configure COM Ports Plug the KKL cable into your PC. vcds lite 12 full registered activated full