First of all in your windows PC you need to navigate to My Computer and there you need to right click on the empty screen there and select properties.
Now there on the left panel you need to select the option Advanced Settings.
Now un tick on the option Automatic Manage Paging and then choose the drive whose paging memory you want to alter and the simply define the Custom Size there and simply click on set and then ok option.
Thats it you are done, now you can feel the difference of performance in your Windows PC.
Now under performance tab, click on Settings option and you will see the another dialog box.
Now click on advance section and there under Virtual memory simply click on Change option.
