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

November 9, 2018

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 Wizard on the left bar.

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


  • 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. Choose the hard drive you want to clone as resource disk (eg. Disk1). And then click Next.

Step 4. Select destination disk (Disk 2) and click Next. If destination disk is SSD, tick the box before “Optimize the performance of SSD” to align partitions.

Step 5. ClickYes to perform the operation.


  • 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 it to Professional version.