1. Download and install [msys2](https://msys2.github.io/).
Note that there are two installers-- one for 32-bit Windows systems (i386) and one for 64-bit Windows (x_64). Make sure you know which [version](http://windows.microsoft.com/en-us/windows/32-bit-and-64-bit-windows#1TC=windows-7) of Windows you are running and download the appropriate installer.
*5 minutes*
Notice there are two installers-- one for 32-bit Windows systems (i386) and one for 64-bit Windows (x_64). Be sure you know which [version](http://windows.microsoft.com/en-us/windows/32-bit-and-64-bit-windows#1TC=windows-7) of Windows you are running and download the appropriate installer.
2. msys2 adds Start Menu items for 3 different "flavors" of shell: MinGW-w64 Win32 Shell, MinGW-w64 Win64 Shell, and MSYS Shell. Click the menu item for MinGW-w64 Win32 Shell.
3. Once the shell opens, we need to install the dependencies for building Purr Data. Issue the following command:<code>
