Windows does not have package manager. Not sure why is that since Windows Marketplace is here since 2004… but that’s another story. So for silent/unattended python install you have to stick to scripting a little bit, but thanks to Powershell it’s quite simple.
(new-object System.Net.WebClient).DownloadFile("https://www.python.org/ftp/python/2.7.6/python-2.7.6.msi", "$pwd\python-2.7.6.msi"); msiexec /i python-2.7.6.msi TARGETDIR=C:\Python27 /qn ALLUSERS=1
[Environment]::SetEnvironmentVariable("Path", "$env:Path;C:\Python27\;C:\Python27\Scripts\", "User")
(new-object System.Net.WebClient).DownloadFile("https://raw.github.com/pypa/pip/master/contrib/get-pip.py", "$pwd\get-pip.py"); C:\Python27\python.exe get-pip.py virtualenv
Remove /qn ALLUSERS=1 to show installer UI.
(new-object System.Net.WebClient).DownloadFile("https://www.python.org/ftp/python/2.7.6/python-2.7.6.msi", "$pwd\python-2.7.6.msi"); msiexec /i python-2.7.6.msi TARGETDIR=C:\Python27
[Environment]::SetEnvironmentVariable("Path", "$env:Path;C:\Python27\;C:\Python27\Scripts\", "User")
(new-object System.Net.WebClient).DownloadFile("https://raw.github.com/pypa/pip/master/contrib/get-pip.py", "$pwd\get-pip.py"); C:\Python27\python.exe get-pip.py virtualenv