Free Software to Copy & Clone a Hard Drive to New Hard Drive Safely
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Let's assume that you've bought a new hard disk drive (HDD) or solide state drive (SSD) that is faster or of much higher capacity than your current system disk, so it’s quite natural you start thinking about transferring your data, operating system and installed applications over to the new hard drive or SSD. To do this, free disk partition software – AOMEI Partition Assistant Standard Edition can help you clone old hard drive to new without reinstalling Windws 10/8/7 and ensure system bootable.

To clone a hard drive, please do the following:

  1. Connect the new hard drive or SSD to your computer. You can install the drive in your computer as a second drive or connect it via SATA-to-USB adapter as an external drive.
  2. Turn on the computer, and in Disk Management snap-in initialize disk as the same type as source disk (the hard drive you want to clone).
  3. To follow the detailed step-by-step instructions to clone a hard drive, please download and install a full version of this freeware and then start.

In this instruction, I will take Windows 7 for example. I connect a new 250GB SSD to my Windows 7 and want to replace the old smaller system disk that is 500GB.

Step1: Launch AOMEI Partition Assistant Standard Edition. Click "Disk Copy Wizard" under the left "Wizard" menu. 

Disk Copy Wizard

Step2: In the pop-up window, select disk copy method and click "Next" to continue. In our case we choose "Copy Disk Quickly". Another method "Sector-by-Sector Copy". If the new has the same or large capacity, you can choose this option. For more information, please refer to copy disk to disk for data security.
Copy Method

Step3: On the next window of the wizard, select source disk (the hard drive you want to clone) and click "Next" to continue. 

Source Disk

Step4:On the Select Destination Disk window, choose the target disk (a hard drive to clone contents of the source disk) and click "Next" to continue. 

Destination Disk

Step5: This page tells you how to boot operating system from the destination disk. Then, click "Finish" to return the main window. 

Adjust Partition

Step6: You can preview the operations you did. To save the changes, you must click "Apply" on the toolbar. 


After clicking Apply, a window will pop up, listing the "Pending Operations". Confirm the operations you did and click "Proceed" to execute.

When cloning is completed, you can also resize/move partition and extend system partition to merge the unallocated space without losing data.

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