By Bryce / Last Updated September 2, 2019

The case

“My 256GB SSD is installed on a Dell computer that is running Windows 10. I have got a new 500GB SSD drive and want to replace current boot hard drive with the new drive. I don’t want to install Windows 10 on the new hard drive from scratch. Thus, is there a way to transfer Windows 10 to new hard drive without reinstalling? And how?”

Try reliable cloning software for Windows 10 migration!

It’s common to replace system hard drive with new one: upgrade HDD to SSD to get better system performance or substitute old hard drive with larger one for higher capacity demand. And it indeed is annoying and time-consuming to reinstall operating system on new SSD or HDD from the beginning.

To tackle with such issue, you can clone Windows 10 to new hard drive via a reliable and powerful cloning tool, AOMEI Partition Assistant Professional. Its Migrate OS to SSD feature enables you to clone entire Windows 10 partition to new SSD or HDD instead of fresh install or create & restore system; and after migration, you can you can boot from the cloned hard drive without obstacle. It can support Windows operating systems from Windows XP to Windows 10; for cloning Windows Server 2008/2012/2016, you can employ its Server version.

Clone Windows 10 to new hard drive step-by-step

To make better use of AOMEI Partition Assistant Professional for Windows 10 migration, check out the following part.

What you should know before cloning:

  • Connect the new hard drive to your computer and ensure that it can be recognized and shows up in Windows.

  • Confirm that your motherboard supports EFI/UEFI boot mode if you need to clone Windows 10 to GPT disk from MBR. And you need to enter BIOS to change boot mode from Legacy to EFI/UEFI after cloning.

  • Delete unwanted files and uninstall unnecessary programs on Windows 10 partition (usually is C drive). This process is omissible.

Step 1. Install and run AOMEI Partition Assistant Professional. Click Migrate OS to SSD under Wizards tab. It will pop up a message explaining what it will do and you can click Next to continue.

Migrate OS to SSD

Step 2. Specify an unallocated space on the new hard drive and click Next icon.

Select Space on SSD

Note: When there is no unallocated space on the new SSD or HDD, you can check I want to delete all partitions… to get unallocated space, but this way will cause data loss.

Step 3. After selecting unallocated space, you can adjust the size, location, drive letter of the partition that being created or make it stay the same. Then, click Next.

Resize Partition

Step 4. A Note about how to boot from the cloned disk will appear. Keep it in mind and click Finish.


Step 5. Coming back to the main interface, click Apply and Proceed to execute cloning operation.



  • A reboot is necessary as this operation involves system partition and needs to be performed under PreOS environment.

  • After cloning Windows 10 partition to SSD /HDD and boot from the cloned disk in a success, you can format C drive on the old hard drive to free up disk space.

Wrap things up

With AOMEI Partition Assistant Professional, you can migrate operating system easily through cloning Windows 10/8/7 partition to new hard drive. If the new hard drive is large enough to contain all data saved on current disk, you can transfer everything from original disk to another one through cloning entire system hard drive under the help of its feature Disk Copy Wizard.

In fact, it is far more than cloning software. It can assist you settle out various issues related with partition or disk. For example, it is capable of making conversion between MBR and GPT disk without deleting partitions.