Are you asking about SW4STM32? That's abandoned, so either it works or doesn't. It will likely work, as Microsoft does what it can to ensure compatibility of old programs with new OSs and the two OSs are not dramatically different.
If you're asking about STM32CubeIDE:
https://community.st.com/s/question/0D53W000016NWGwSAO/will-stm32cubeide-be-prepared-for-windows-11-and-when-will-it-be
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