How to Extend Windows XP/7/10 NTFS System Partition without Rebooting?

About NTFS

NTFS is short for "New Technology File System", and it is been highly recommended by Microsoft Company. Meanwhile, it has been widely used into Windows 7 and later. With several improvements, it has broken up the imitations of FAT32. As we all know, FAT 32 can only support 4GB's single file and 2TB's partition at most, while NTFS has no limitation for single file and the partition can be up to 256TB. Also, you can set up codes on files. Based on these advantages, many personal computers and server users select NTFS as their file system in the disk.

Many computer users may have faced with different kinds of problems. However, the biggest problem being mostly concerned is extending NTFS system partition without rebooting system, because it is a waste of time for them. As for server users, they are always reluctant to shut down the running programs, because it may cause so many complaints and business loss. Thus, they try to find better way to solve the problem. Fortunately, AOMEI Partition Assistant, the powerful partition magic freeware is arrived to help them. With its help, it is a piece of cake to extend NTFS system partition without rebooting the operating system. Just few seconds, the task will be accomplished and it is really suitable for freshman and server user.

How to operate the magic software? Next, a real case will show up as a guideline.

To avoid rebooting computer, you need to shut up all the applications running on the drives before. Supposing there are just C: and D: in the disk, and C: is the system drive and D: is for data saving. Therefore, the task is to expand drive C.

Step 1: Free download partition software free and open it. In the main interface, you will see the overview of the disk. Right click D: and select the option "Resize Partition".

Step 2: Move the mouse to the left side of D: and drag rightwards when it turns to a double-headed arrow. Move is workable during the process. (Actually, it's ok to move leftwards, but you need to lay the mouse to the right. After that, move is necessary, because expansion needs the unallocated space being rightly behind C:.) Then, please click "OK".

Move and Resize Partition.gif

Step 3: There will be an unallocated space exactly behind C:. Right click C: and choose "Resize Partition". Drag the mouse pointer to the right side to expand C: and choose "OK".

extend c drive.gif

Step 4: It is clear that C: is larger than before. Click "Apply" to commit the task and another window will come up. Please select "Proceed" to take these actions into effect.


  • Above solution also applies to extend NTFS system drive in Windows XP and Windows 10.

  • To extend NTFS system in Windows Server, please refer to AOMEI Partition Assistant Server edition.

The advanced version, AOMEI Partition Assistant Professional, allows you to allocate free space from one partition to the other directly, so you don’t have to shrink at the beginning. It is really a powerful tool for you! To experience all the features, please download to operate by yourself!