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Windows 7 - Understanding the Windows Experience Index

The Windows Experience Index is a basic benchmarking system used to test the performance of your computer and tell you what your computer is capable of running. It rates various components in your computer including the memory, processing power, graphics card and hard drive speed. Understanding the Windows Experience Index is important for getting the most out of your computer and knowing which games and software it is capable of running at reasonable settings.

You can see the Windows Experience Index by right-clicking on "Computer" in the start menu and clicking "Properties." You'll see the Windows Experience Index underneath the "System" section of this window besides "Rating." A number from 1.0 to 7.9 should be displayed, where 7.9 is the highest rating for the very fastest of computers. If you do not see a rating, click on the link and Windows 7 will scan your computer. The process will take a few minutes and your Windows Experience Index will be updated once it is complete.

To view further details about your computer's Windows Experience Index, click on the rating to get to the Performance Information and Tools section of the control panel. Your computer's rating will be divided into five sections. The final score is determined by the lowest individual score. You'll be able to see how fast your processor is, how fast the memory is, how fast your graphics card is for running Windows visual themes, how fast 3D rendering is for video games and how fast your hard disk can read and write data. To learn more about each rating, clicking on the link "What do these numbers mean."

If you have recently upgraded a main component in your computer or you've just installed new drivers for the graphics card, you will need to determine the Windows Experience Index again. To do this, click on "Re-run the assessment" in the bottom-right corner of the window.

When you purchase certain games and software, a Windows Experience Index is often provided in the system requirements. The Windows Games Explorer often provides the minimum and recommended Windows Experience Index for compatible games. This is considerably simpler for average users than listing the system specifications in detail.


Microsoft Windows is a registered trademark of Microsoft Corporation in the United States and other countries. Speed improvements vary based on your system configuration. ErrorTeck is not endorsed or affiliated with either Microsoft or the third party applications it supports.