The current MinGW64/GCC (10.2) compiler set for Windows is just over 1 GB in size and includes the C/C++/ADA compiler sets. <https://sourceforge.net/projects/mingw-w64/files/Multilib%20Toolchains%28Targetting%20Win32%20and%20Win64%29/ray_linn/> Other versions can be found here: <https://sourceforge.net/projects/mingw-w64/files/?source=navbar> Note that this is the compiler sets only and not the MSYS/MSYS2 thing.