In this blog post, we will learn how to perform a disk-to-disk clone of a Windows operating system drive or data drive by using Clonezilla, free open-source backup software.

For this example, we will clone nvme0n3 (5GB) to nvme0n4 (5GB) for demonstration purposes. You can use the same steps to clone the larger operating system drive.

Disk to Disk clone using Clonezilla

1. Visit the below website to download the Clonezilla Live Image File.


2. The next step is to make a Clonezilla bootable USB flash drive. Follow the below link to make a bootable USB flash drive with Rufus.


3. Insert a bootable Clonezilla USB flash drive into your computer and restart it. Boot your machine with a Clonezilla live bootable media device. Choose “Clonezilla live (VGA 800×600)” and press enter.

Clonezilla Disk To Disk Clone

4. Choose the language as “English” and press enter.

Clonezilla Disk To Disk Clone

5. Choose the “US keyboard layout” and press enter.

Clonezilla Disk To Disk Clone

6. Select “Start Clonezilla” and press enter.

Clonezilla Disk To Disk Clone

7. Select “device-device work directly from a disk or partition to a disk or a partition” and press enter.

Clonezilla Disk To Disk Clone

8. Select the “Beginner mode” and press enter.

Clonezilla Disk To Disk Clone

9. Select “disk to local disk” and press enter.

10. Select a source disk which is NVME0N3 5GB in size.

11.Select a target disk which is NVME0N4 5GB in size. Make sure the target disk is always larger than the source disk.

12. Select source file need to be check or not before cloning and press enter.

13. Select reboot/shutdown after the disk cloning is done and press enter.

14. Press enter to continue

15. Type y for confirmation and press enter

16. Again, type y for confirmation and press enter

17. Press enter to continue

18. The Clonezilla disk cloning process from source to target disk will start. Wait for the cloning process to complete.

19. After the disk cloning process is completed, it will ask you to power off, reboot, select power off, and remove the Clonezilla live bootable media.


Clonezilla is the best free and open-source software if you want to clone your entire drive to a new drive, for example, from an HDD to an SSD for better performance.

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By Feroz Khan

Feroz Khan works as a system administrator with more than 12 years of experience in information technology. He would like to share the knowledge with others that he has gained during his working experience.

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