To create and format a new partition (volume)
Open Computer Management by selecting the Start button. The select Control Panel > System and Security > Administrative Tools, and then double-click Computer Management.
In the left pane, under Storage, select Disk Management.
Right-click an unallocated region on your hard disk, and then select New Simple Volume.
In the New Simple Volume Wizard, select Next.
Enter the size of the volume you want to create in megabytes (MB) or accept the maximum default size, and then select Next.
Accept the default drive letter or choose a different drive letter to identify the partition, and then select Next.
In the Format Partition dialog box, do one of the following:
If you don't want to format the volume right now, select Do not format this volume, and then select Next.
To format the volume with the default settings, select Next.
Review your choices, and then select Finish.