How to create new partition on an unallocated space using diskpart.
6 down vote I wouldn't suggest using diskpart if the hard drive already has some data on it, especially if you've installed the system on it. This is because if you don't know how to use it, then it's better to avoid using it to prevent you from data loss. You can use a third part tool to do that instead, which will give you the same results. Use EaseUS Partition Master (Free Edition), or visit the Best Free Partition Management Software page to have other tools. In case you still prefer to do it the long way, using diskpart , follow these steps : Open the Command Prompt as Administrator. Type diskpart and hit Enter. Once you enter to the diskpart screen type list disk and hit Enter. Now a list of the disks will be shown, type select disk x (the X is the disk number that has an unallocated space) and hit Enter. Now, type create partition primary size=x (The X is the number that you got...