Specify some space to the new partition and then assign a drive letter to it and format it. Right click the unallocated partition and click New Partition. After deleting all partitions, you will get an unallocated partition. Open Disk Management on Windows and delete all partitions on the hard disk. Therefore, you can also increase size of partition on Windows XP by repartitioning hard disk on Disk Management: Although you cannot increase size of disk partition directly under Disk Management in Windows XP, you can repartition hard disk there so as to redistribute disk space. However, the bad news is that Windows XP Disk Management does not allow its users to extend partition size.

You probably know that you can extend C drive by using Windows 10 Disk Management, Windows 8 Disk Management and Windows 7 Disk Management if your PC runs Windows 10, 8, 7 OS. Extend C Drive by Repartition Hard Drive on Windows XP In addition to checking the properties of C drive to check how much free space has left on it, Windows XP may pop up low disk space warning on C drive when it is nearly full. If the free space shows less than 2GB or even less, it is necessary to extend the space of the C partition to avoid further problem. If you want to check how much free space has left on Windows XP C drive, you can right click C drive in My Computer and then click Properties option, after which you can see the total space and free space on the C drive. When system partition runs on low disk space on Windows 7, 8, 10, the C drive usually shows red bar in My Computer. Then, how can you know how much free space has left on a system partition? As you know, if your PC runs Windows 7, 8, 10 operating system, you can see clearly how much free space has left on each partition by opening My Computer. Usually, you need to extend system partition on Windows XP when this partition does not have enough free space. Then, is there any way to extend C drive on Windows XP without repartitioning hard disk or losing any data? When Need to Extend System Partition on Windows XP? However, disk repartitioning will erase all data from the hard drive. Do you know that it is able to extend the space of a partition even after dividing a hard drive and format it? Truthfully, many people know that it is possible to extend system partition by repartitioning hard drive on Windows XP.

How to extend c partition