1 Open Computer Management by selecting the Start button > Control Panel. In the search bar, type Administrative Tools, select this option, and then double-click Computer Management in the displayed window.
2 In the left pane, under Storage, select Disk Management.
3 Right-click an unallocated region on your hard disk, and then select New Simple Volume.
4 In the New Simple Volume Wizard, select Next.
5 Enter the size of the volume you want to create in megabytes (MB) or accept the maximum default size, and then select Next.
6 Accept the default drive letter or choose a different drive letter to identify the partition, and then select Next.
7 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.
8 Review your choices, and then select Finish.