To resize a partition ,use the windows built-in disk management tool
TO SHRINK A PARTITION IN WINDOWS :
1.Go to the start menu and click on the control panel.
2.In the control panel,select system and security.
3.In the administrative tools,select create and format hard disk partitions.
Disk management dialog box will appear.
4.In the Disk Management screen,right-click on partition which you want to shrink ...
