These numbers were last updated on December 16, 2015. See the current status for individual packages. Executables built for 32 bit Windows can be executed on 64 bit Windows as well. How to choose MXE target: If you want a 64 bit Windows executable, statically linked into one big executable: use MXE_TARGETS x86_64-w64-mingw32.static; If you want a 64 bit Windows executable, split into an executable