Click Start, click Run, type sysdm.cpl in the Open box, and then press ENTER.
Click the Advanced tab, and then under Performance click Settings.
Click the Advanced tab, and then under Virtual memory click Change.
Under Drive [Volume Label], click the drive that contains the paging file that you want to change.
Under Paging file size for selected drive, click Custom size, type a new paging file size in megabytes (MB) in the Initial size (MB) or Maximum size (MB) box, and then click Set.
Click OK to close the dialog box and apply changes.