Best Free Disk Copying Without Restart Tool for Windows OS

What is the best disk copying without restart tool for Windows PC? It’s annoying to reboot computers many times, try the freeware to clone your disk without rebooting.


By Lucas / Updated on May 12, 2023

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Why do you need disk copying without restart tool?

Disk copying is a shortcut when you wish to upgrade your old disk to a new better one or save your data when the PC is down. But, sometimes, if disk copying won’t require you to reboot the computer several times, things will be more convenient:

◤ 1. When your PC meets problems and you’re not sure whether rebooting might make the problem worse or not, directly copying your disk without restarting the PC may be more secure for your data.
◤ 2. You can keep working while copying hard disks, and if something unexpected happens, the user can stop the clone in time.
◤ 3. The cloning procedure will be more convenient since there will be no need to reboot numerous times and then boot into Windows PE mode or PreOS mode after cloning.

Free disk copying without restart tool for all Windows OS

We all know Windows doesn’t have any built-in cloning tool for all users. If you wish to clone your disks, the only option is to select a disk cloning tool on the market. However, many cloning tools ask users to reboot the PC several times to complete the entire cloning procedure. Thus, if you need to clone a disk without rebooting, you’ll need a better option.

Here, we sincerely recommend to you AOMEI Partition Assistant Standard, the best free disk cloning software for all Windows 11/10/8/8.1/7/XP users. Compared with other cloning tools, what makes this tool the best free disk cloning software are:

Clone method: This tool use the hot clone tech, which means users don’t need to shut down the device during the cloning, and without restarting, the whole process will be more convenient.
 Clone ways: To clone your disk, you can select a quick clone to clone only used part for cloning to a smaller disk, or doing a sector-by-sector clone to make a complete duplicate for your current disk.
Excellent compatibility: This tool can not only work for real devices but also work on the virtual machine running Windows OS. Users can clone disks on a running virtual OS.
Download FreewareWin 11/10/8.1/8/7/XP
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▶ Warning:
1. The Standard Edition supports cloning disk between MBR disk to MBR disk. To clone disk from MBR disk to GPT, GPT to MBR, GPT to GPT, please turn to the Pro Edition.
2. If you need to clone an MBR system disk to a GPT disk, make sure your system and device support UEFI.

Make sure your disk is connected steadily, now let’s start!

Step 1. Download and install AOMEI Partition Assistant Standard. Then, on the top pane, click Clone -> Clone Disk in turn.

Disk clone wizard

Step 2. Choose a clone method in this window. Generally, we recommend the Clone Disk Quickly and click “Next”.

Clone disk quickly

Step 3. Choose the old disk as the source disk in this step and click “Next”.

Source disk

Step 4. And choose a new disk as the destination disk. If the destination disk is SSD, you can check “Optimize the performance of SSD” to activate partition alignment, and click “Next”.

Target disk

Step 5. In the Edit Disk window, you can resize the partition to fit the new disk and click “Next”. Because the destination disk in the example is a smaller disk, the first option is greyed out.


Step 6. Finally, click “Apply” to submit the operations.


When the clone is finished, Windows will not reboot. If you wish to boot Windows from the cloned drive the next time you boot your computer. To boot the computer from the cloned drive, access the BIOS and alter the boot order.

Change boot order

Further reading: Can I clone only OS without rebooting?

If you only wish to keep OS only on your new disk, well, AOMEI Partition Assistant has a “Migrate OS to SSD” feature on your service. This function also employs the hot clone way, so you can migrate OS to another SSD or HDD while Windows is running.

Migrate OS to SSD

Final lines

As the best disk copying without restart tool, AOMEI Partition Assistant surpasses other similar tools to perform better service for you. Besides the disk clone and OS migration features, you can also use this tool to convert partition scheme between MBR and GPT without data damage, move installed software to another disk without reinstalling, convert file system without formatting, etc.

And there is the Server Edition for Windows Server 2022/2019/2016/2012(R2)/2008(R2) users (also available to a virtual machine) to manage their devices conveniently.

Lucas · Staff Editor
I prefer peaceful and quiet life during vacation,but sometimes I watch football match if my favorite club performs brilliantly in that season. And I love reading, painting and calligraphy, thus I send my friends festival handwriting cards every year.