Using an outdated version like 23.3.1 or a version from 2021 (like 21.9) can limit your diagnostic capabilities on newer models.
In the end, the download was only the first step; the real story was how a sequence of numbers and a dated piece of software helped two generations talk to machines—and to each other. Ross Tech Vcds 23.3.1 Download 2021
Legitimate VCDS software is free to download, but it with a genuine Ross-Tech hardware interface (dongle), which acts as the license key. Using an outdated version like 23