I hope you’re aware that Windows 11 version 23H2 will soon reach the end of support. In any case, if you want to test MSFS on Windows 11 23H2, I recommend preventing the system from upgrading to the newer 24H2/25H2 version during your tests. You can learn how to do that from the link below:
https://forums.flightsimulator.com/t/windows-11-25h2-24h2-and-msfs-observations-insights-issues-and-tips/657704/140