https://bugs.winehq.org/show_bug.cgi?id=45611
--- Comment #6 from tim110011@163.com --- `wine64 cmd ` will give the desired result. Better update docs and man page : Use `wine64 cmd` to launch 64bit cmd.
wine64 will not help dotNetFx40_Full_x86_x64.exe install, that's maybe another bug.