How to check performance using the Windows Experience Index.
- Click the Start button and then click Control Panel.
- In the Control Panel window, click System and Maintenance.
- In the System and Maintenance window, click Performance Information and Tools.
- The Performance Information and Tools window will list an overall performance score and the score on individual components.
NOTE: On computers that have been upgraded to the Windows Vista® operating system, the performance scores may identify components that, if upgraded, may improve performance.