Ross-Tech, the US-based developer of VCDS, invests millions into R&D. A genuine PCI interface costs several hundred dollars. If you acquired a PCI card for $20 on eBay or AliExpress, it is a clone (pirated hardware).
If you own a genuine Ross-Tech interface, you should always download the latest version (e.g., Version 23.3+) which is free for licensed users. 🛠️ Software Capabilities (Version 12.12.3) At the time of its "top" usage, version 12.12.3 offered: VCDS software update 12.12.3 - ilexa Onboard Diagnostics vcds pci 12123 download top