METHOD 1:
- Click Start -> All Programs -> AVG 2011 -> AVG User Interface
- Click the “Help” menu and select “About AVG”
- Click the “System” tab
You can now see the Operating system as shown below
METHOD 2:
Click START -> Settings -> Control Panel -> System -> General tab. (The following screen can be also popped-up by WIN+Break shortcut.)
Now you can copy down the information from System as shown below:

