On the Start menu (Windows), click Control
Panel (or Settings Control Panel).
In the Control Panel, click System. You
might have to click Performance and Maintenance and then System.
Open the Advanced tab and click the Settings
(or Performance Options) button under Performance.
Check the allocated size under the Virtual
Memory group, the file size will be listed after the text “Total
Paging File Size For All Drives”. You might have to click the Advanced
tab first in order to see the allocated size.