And the STM32 was no longer silent.
She quickly found the official source: the package on the STMicroelectronics website. She learned an important lesson: Always download drivers directly from the manufacturer (ST.com), not from third-party "driver download" sites. Stm32 Virtual Com Port Driver Windows 11
The installer ran smoothly. It copied the necessary .inf and .sys files into C:\Windows\System32\drivers\ . And the STM32 was no longer silent