Right-click on "My Computer" and select "Properties" from the pullout menu.
Choose the "Advanced" tab, and click "Settings" under the Performance section.
On the next window that comes up, select the "Advanced" tab, and press the "Change" button.
Right-click on "My Computer" and select "Properties" from the pullout menu.
Choose the "Advanced" tab, and click "Settings" under the Performance section.
On the next window that comes up, select the "Advanced" tab, and press the "Change" button.