Windows 7:
1. Firstly click on Start, right click on Computer and then click on Properties.
Or, alternatively click on Start and then Control Panel. When the Control Panel opens click on System and Security and then click on System.
2. Then a window will open providing you with your computers specifications, also included is the edition of your Windows and your System Type as well and if it's a 32 bit or 64 bit Operating System.
