If your computer has multiple cores, you’ll see the number in parentheses after the speed. Find the “Processor” entry in the System tab.Click Yes if prompted to check the drivers.Press ⊞ Win+R to open the Run dialog box.Multiple cores does not necessarily mean the programs will run faster, but it can be a big boost for programs designed for it. The number of cores will not be displayed in this window. Check how many cores processor has a multi-core processor.If processor is overclocked, the actual speed may not be shown.It is the speed of a single core of your processor when processor has multiple cores, each core will be this speed. Processor speed is measured in gigahertz (GHz).Find the “Processor” located in the “System” section, beneath the Windows edition.Windows 8 – Right-click on the Start button and select “System”.