Python 2: 2.7.17 Python 2: 2.7.17 amd64 Python 3: 3.8.2 Python 3: 3.8.2 amd64 zlib: 1.2.8 bzip2: 1.0.6 Microsoft Visual Studio 2005 - msvc-8.0 - Service Pack 1 Microsoft Visual Studio 2008 - msvc-9.0 - Service Pack 1 Microsoft Visual Studio 2010 - msvc-10.0 - Service Pack 1 Microsoft Visual Studio 2012 - msvc-11.0 - Update 4 Microsoft Visual Studio 2013 - msvc-12.0 - Update 5 Microsoft Visual Studio 2015 - msvc-14.0 - Update 3 Microsoft Visual Studio 2017 - msvc-14.1 - VS 15.9.21 Microsoft Visual Studio 2019 - msvc-14.2 - VS 16.5.1