This is done by @WinFX
March 2023 builds or later are too buggy, I hope @win32 is going to fix issues March 2023 builds regarding Settings.ini error. So, installing Office 2016 RTM on Windows Vista Extended Kernel October 2022 build, is okay. It must be October 2022 build or later, because all will stick with October 2022 build as March 6 builds or later will kill Windows Vista.