I am trying to install the SDL Tridion 2013 SP1 on a Windows 7 SP1 machine. I am able to create the CM and CD Databases successfully through PowerShell, however, when I start installing Content Manager, it says the OS is not supported. I verified the list of supported OS, please refer below screen shots. Is it something very basic I am missing out there. Any help will be appreciated.
Supported OS as in the Pre-Requisite Manual:
My Windows (I checked and all Windows Updates are up to date):
The Error while executing CM setup: