VCDS 20.12 was designed to support VAG vehicles from 1996 through approximately late 2020 models .
Ross-Tech maintains a hidden directory of older releases. Go to: https://www.ross-tech.com/vcds/download/old/ vcds 20.12 download
Third-party "clone" cables often try to emulate genuine Ross-Tech hardware. If you connect a clone cable to genuine VCDS software (or vice versa), the software can detect the clone and intentionally "brick" (disable) the cable's firmware. This renders the tool useless. VCDS 20
: It is highly recommended to install VCDS on your PC's hard disk rather than external media. You should not install it in the \Program Files\ If you connect a clone cable to genuine
To utilize VCDS 20.12, the following system requirements must be met: Windows 7, 8, or 10 (both 32 and 64-bit).
To get the most out of your diagnostic sessions, follow these steps to ensure a clean installation: