Development tools for Zephyr on STM32Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.
Thank you for verifying that SystemWorkbench for STM32 should work with my configuration. I will uninstall everything and start anew. If that doesn't work, I will attempt to install it on another PC.