How to resize a partition in Windows Vista

Easy steps to resize your partition
1) Click --> Start menu
2) Right click --> Computer and click --> Manage
3)You may or may not be get a User Account Control dialog --> click Continue
4) In the left pane--> open up the Storage category and click on --> Disk Management.
5)Now you will find your partitions for your disks. Right click --> on partition you want to modify.
6)If you want to shrink your partition you can choose shrink option or if you want to extend your partition you can chose extend option..

still having any doubt pls write your problem.....