For Windows 7/Vista:
1) Right Click on “Computer” icon on desktop, then click “Properties”.
2) Click “Advance system settings”.
3) Click on “Advanced” tab, then click on “Settings” in performance section.
4) Click on “Advanced” tab, then click on “Change” in Virtual memory section. Now you should see the following screen.
5) Select the drive, then select Custom size, insert Initial and Maximum size, then click “Set”, now Click “OK”.
For Windows XP:
1) Right click on “My Computer”, then click on “Properties”.
2) Click on “Advanced” tab, then Click on “Settings” in Performance section.
3) Click on “Advanced” tab, then Click on “Change” in Virtual memory section.
4) Select the drive, then select Custom size, insert Initial and Maximum size, then click “Set”, now Click “OK”.
* Recommended size of Pagefile is Your RAM * 1.5 times. You can also use System managed size.
* It is Recommended to use Initial and Maximum size same.