On 4/22/22 11:40, Gisle Vanem wrote: > Barry wrote: > >> Tip “py.exe -0” will list the state of installed pythons. > Not here; 'py.exe -0' gives: > Requested Python version (0) not installed > > Which PyInstaller version support this '-0' option? > Looks like this got added around 3.7... https://bugs.python.org/issue30362