For i(MS-Windows) i(Cygwin) hi(http://cygwin.com)
(tlurl(http://cygwin.com)) or i(MinGW) hi(http://mingw-w64.org/doku.php)
(tlurl(http://mingw-w64.org/doku.php)) provide the foundation
for installing the em(Windows port) of the i(GNU) ti(g++) i(compiler)
(see also tlurl(https://docs.microsoft.com/en-us/windows/wsl/about)).

The GNU tt(g++) compiler's official home page is 
    hi(http://gcc.gnu.org) tlurl(http://gcc.gnu.org), also containing
information about how to install the compiler in an MS-Windows system.
