It is so easy to check what Windows
OS using. There are several ways to get there.
Use the System Section from Control Panel
(Windows 7& Windows 8.1)
You can easily find all the specifications of
the operating system you are using from System panel.
Go to Start and select
Control Panel
Go to System under System and Security.
If you are using classic view of Control Panel then you can see
the System can be find directly.
Check Windows Edition Tab. In the screenshot below, you can see how the System window
looks in Windows 7.
The next screenshot shows you how the System window
looks in Windows 8.1.