Officially, Python 3.9 and above are not supported on Windows 7 SP1 and Windows Server 2008 R2 SP1. Here, you can obtain unofficial Windows installers that bring back support for these older Windows ...
Compiler (e.g. gcc4.8). On Windows Visual C++ 14.0 is the supported version for Python 3.5-7. It comes with Visual Studio 2015. More recent versions of Visual Studio will not work by default. Links to ...