This is the setup guide for the MinGW c++ compiler we're going to use for windows.
To set it up:
Go to www.mingw.org/download/installer (old)
https://sourceforge.net/projects/mingw/files/Installer/ (new)
This Will install the installation manager
Hit continue
This should open up the Installation Manager
Click on the box next to mingw32-gcc-g++ and hit Mark For installation
Click on the box next to mingw-developer-toolkit and hit Mark for installation
Click on the box next to mingw32-base and hit Mark for installation
Click on the box next to msys-base and hit Mark for installation
Now click installation in the top left of the toolbar and hit apply changes
Wait for all to install and you're done with this part