The official source for VCDS 20.42 is the Ross-Tech website. You can download the software from there. Here are the steps:

If you are using a legitimate Ross-Tech interface, click "Yes." If you are using a clone interface, updating firmware can permanently break the cable. Conclusion

, a diagnostic software package for Volkswagen Audi Group (VAG) vehicles released around late 2020

Using cracked VCDS software is illegal in most countries. As one German VCDS blog clearly states: "VCDS Cracks in Germany? Kann das legal sein? Nein?" The answer is a definitive no. Furthermore, these "free" downloads are not without risk for users, and they are generally considered unsafe.

Genuine cables come with a license and free software downloads from Ross-Tech's website. This is the only safe and fully functional method.

A popup status window should appear showing "Interface: Found!" along with firmware details. Click , then click Save .

This specific revision brought several critical updates to the diagnostic platform:

Plug your Ross-Tech interface into the computer. Windows should automatically recognize and install the drivers. Setting Up and Testing VCDS 20.4.2