How to Find My CPU Usage

CPU usage indicates how much of your computer's available memory is in use. A high CPU usage can cause slow or groggy performance; it can also indicate a frozen or faulty program. This is why it's a good idea to monitor your CPU usage from time to time, particularly if your computer is running slowly. The process can be done on both Windows-equipped computers and Mac computers, although the access method is slightly different for each system.

Businesswoman using laptop computer
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Window's Operating System

Step

Simultaneously press the keys "Ctrl," "Alt" and "Delete."

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Click "Start Task Manager" from the Welcome screen, if you are using Windows Vista or Windows 7. If you are using Windows XP, the "Task Manager" program will appear immediately after pressing "Ctrl," "Alt" and "Delete."

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Click on the tab labeled "Performance" at the top portion of the Task Manager.

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View your CPU usage under the section titled "CPU Usage."

Mac Operating System

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Enter your "Applications" folder, and choose "Utilities."

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Click on "Activity Monitor," the Macintosh equivalent of Windows Task Manager.

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Click on the tab labeled "CPU" to view your CPU Usage.