While you may find links that claim to work, they are generally unreliable, frequently outdated, and pose a security risk to your computer and a physical risk to your car. For a reliable, functional diagnostic experience, it is highly recommended to use genuine VCDS software and hardware. Are you trying to connect a specific VAG car model?
It works sporadically, but unreliably, and at your own peril. vcds 223 loader download work
Older versions of VCDS (released before 2019, like 18.9 or 19.6) are relatively easy to crack. Loaders from that era often work with cheap eBay "VAG KKL" or "FTDI"-based cables. While you may find links that claim to