Here are instructions for getting information about the operating system of your computer.
1. Right-click on your Computer icon (usually a Windows 7 icon) or your This PC icon (usually a Windows 10 icon) and click on Properties from the menu that pops up.
2. You can see the basic information about your computer in the window that opens.
or...
You can also find information about your operating system by right-clicking on your Windows 10 icon in the bottom left-hand corner of your screen, then choosing System.
You can click on the Windows 7 icon, go to the Control panel and choose the System icon to get information about your operating system. The Windows 7 icon looks like this: