How to Clone a Hard Drive in Windows 10 /8/7 Freely and Safely?

January 30, 2019

If you want to replace hard drive without reinstalling, you can clone hard drive to SSD or new HDD in Windows 10 /8/7 under the help of this great disk cloning software – AOMEI Partition Assistant.

Why Clone Windows 10 Hard Drive?

Plan to upgrade your present Windows 10 hard drive to a bigger one or replace your HDD with SSD for your computer? If you want to transfer your current system, applications and useful data together to the bigger hard drive or SSD, what should you do?

Directly copy them one by one? This way is not wise as it is not only time-consuming but also may cause Windows 10 boot failure. In such condition, you can solve the problem via cloning hard drive to HDD/SSD in Windows 10 without reinstalling.

Clone hard drive to SSD/HDD in Windows 10 without reinstalling

To clone disk to disk in Windows 10, you can use this third party disk cloning software – AOMEI Partition Assistant Standard. Apart from perform disk copy in Windows 10/8/7, it can help you to migrate OS to SSD, convert disk between MBR and GPT and so on. See the detailed steps given below to realize how it works.

Step 1. To clone hard drive in Windows 10, download this disk cloning software, install and run it. Then, choose Disk Copy on the left bar.

Disk Copy

Step 2. Select Copy Disk Quickly and then click Next.

Copy Disk Quickly


  • Copy disk quickly allows you to only copy the used space of the disk, which allows you to clone hard drive to smaller one.

  • Sector-by-sector copy enables you to copy all the sectors of the disk whether it is use or not.

Step 3. As introduced on the screenshot, the disk 1 is selected as the source disk. Then you only need to select the destination disk, and then clickNext.

Select Destination Disk


  • To change source disk, please go to All Tools > Disk Copy Wizard to select a new one.

  • Please check the option "Optimize the performance of SSD" to improve its performance if the destination disk is an SSD.

Step 4. Click Yes to perform the operation.

Confirm and click Yes

Step 5. Here you can edit the partition size as you want before starting clone. Click Next after your configuration. 

Edit Disk Partition

Step 6. Click Apply on the toolbar and then Proceed on the pop-up window to start the cloning. 



  • The capacity of the destination hard drive should be not smaller than the used space on the source hard rive.

  • The deleted or lost files can only be copied to the destination hard drive with "Sector-by-Sector Copy" method.
  • If the hard drive you want to clone contains system/boot partition, the operation will be completed under the “PreOS Mode”.


It is well acknowledged that Disk Management in Windows 10 can’t help you clone your disk quickly; however, with the help of AOMEI Partition Assistant Standard you can clone hard drive in Windows 10 without reinstalling. And you can get more functions such as allocating free space, convert logic partition to primary and so on, if you upgrade to Professional version.