The more reliable option. You can download official drivers from the FTDI Chip VCP Drivers page CH340 Chip:
: On some Windows 10 versions, you may need to disable driver signature enforcement via Settings > Update & Security > Recovery > Advanced Startup to allow the legacy driver to install. Vag Kkl 409.1 Driver Windows 10 Download Extra Quality
If you want, I can:
Before downloading, you need to know which chip is inside your blue cable. Most VAG 409.1 cables use one of two chips: The gold standard. Reliable and high quality. The more reliable option