Installing the VAG KKL 409.1 interface on Windows 10 is notoriously tricky because it is a "legacy" device. To get it working, you must
Most generic VAG KKL cables use the FTDI chip. If your PC doesn't auto-install the drivers, you can download them manually. Download: Get the FTDI VCP Drivers from the official site. how to install vag kkl 409.1 on windows 10
Win + R, type sysdm.cpl, go to Hardware > Device Installation Settings.Shift and click Restart.