OS Cloning Software Free Download for Windows 11/10/8/7

Jerry updated on Jan 12, 2026 to Disk/Partition Clone | How-to Articles

Looking for reliable OS clone software to clone your OS to another drive? This article will help you get the best OS cloning software free download to migrate your Windows system to a new drive safely and easily without reinstalling the OS!

OS clone software allows you to copy your entire Windows system without reinstalling the operating system, drivers, or apps. An OS clone creates an exact, bootable copy of your system disk, ensuring minimal downtime and maximum reliability. This article introduces one of the best OS cloning software programs to help you migrate your operating system to another drive without reinstalling the OS.

How to Choose Reliable OS Copy Software

OS clone software is designed to copy an entire operating system, including system files, boot information, applications, and personal data, from one disk to another. It is commonly used when running out of disk space, upgrading from HDD to SSD, replacing an aging hard drive, or creating a full system backup without reinstalling Windows. Here are some factors to consider for selecting a cloning tool.

OS Compatibility: Ensure the tool supports your OS, as some disk cloning software no longer supports Windows 7 or Windows 8.

Ease of Use: Some tools, such as Acronis and EaseUS, offer user-friendly graphical interfaces, ideal for beginners. Others, like Clonezilla or Rescuezilla, are powerful but require booting from a USB drive and can be more complex for non-technical users.

Cloning Features: This is the key criterion.

  • Disk or partition cloning: Decide whether to clone an entire disk (including all partitions) or just specific partitions.
  • OS migration: Ensure the tool specifically supports system cloning.
  • Hot cloning: Some cloning programs let you clone a disk while running Windows or a PC.
  • Resizing partitions: Look for options to automatically or manually resize partitions to fit a new, potentially different-sized, destination drive.

Cost: This depends on your budget. If you want totally freeware, try Clonezilla or Rescuezilla, but they often have a steeper learning curve. If you want software with more intuitive interfaces, advanced features, and dedicated support, try EaseUS, Acronis, or Macrium.

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Best OS Clone Software Free Download for Windows

If you want a cloning tool with robust cloning features or a safe and hassle-free cloning process, EaseUS Disk Copy is a name that should never escape your mind. When it comes to disk cloning, EaseUS Disk Copy has much to offer.

It has an extremely streamlined interface for cloning a disk from different manufacturers or of different sizes. As a dedicated disk and system cloning solution for Windows, it enables users to clone operating systems, entire disks, or specific partitions with minimal effort. You can easily and quickly copy data from one hard drive to another and clone OS to another drive.

EaseUS Disk Copy: Best OS Cloning Software for Windows

  • Disk Mode: Clone the entire drive to another for a full transfer.
  • System Mode: Migrate Windows OS from one disk to another.
  • Partition Mode: Clone a specific volume to another hard drive.
  • Sector-by-sector Clone: Copy a disk with bad sectors easily.
  • 4K Alignment: Auto-4K for optimizing SSD performance.

EaseUS cloning software can clone your entire disk, including OS files, boot partitions, installed programs, and user settings, so the new disk can boot immediately after cloning with its Disk Mode. It can also help you migrate only Windows and its related partition to another disk with its System Mode. Free download it on your computer to clone a disk or clone your OS to another one.

How to Clone OS to New Drive Without Reinstalling

Here is how to use EaseUS OS clone software to clone OS to another drive using its System Mode:

Before cloning:

  • Install or connect the destination disk that you want to move OS to your computer, and make sure it can be appropriately recognized.
  • Ensure the target HDD or SSD has enough capacity to accommodate your system files.

Step 1. Launch EaseUS Disk Copy and choose System Mode.

Install EaseUS Disk Copy system migration software on your computer, launch it, and choose System Mode. EaseUS Disk Copy will select the current system you use by default, including all system-related files and boot sectors.

*If you apply dual-boot system, you can select another system by yourself.

Step 2. Select the target HDD/SSD.

Choose the destination HDD/SSD that you want to move OS to.

Step 3. Adjust target disk layout.

Specify the target layout as your preference. You can choose among:

  • Autofit the disk: makes some changes by default on the destination disk layout so that it can work at its best.
  • Copy as the source: create a 1-to-1 copy of your source disk, the layout is the same as the source disk.
  • Edit disk layout: allows you to manually resize/move the partition layout on this destination disk.

*The option Auto-alignment to 4K will be checked automatically to optimize the performance of your SSD.

Step 4. Start cloning OS.

Click Proceed, and a message will appear, warning you that data will be lost. Confirm the message by clicking Continue. Now, it will start cloning OS to the new disk.

Now, it will start cloning OS to the new disk.

If you want to clone your entire hard drive to another, choose Disk Mode when cloning.

Watch this video to see a step-by-step guide on how to clone a hard drive with EaseUS Disk Copy:

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To Wrap Things Up

Operating System (OS) cloning software is a professional tool that creates an exact copy of a hard drive's contents onto another storage device. Unlike simple file copying, it precisely duplicates the partition structure, boot records, and all system files, ensuring the cloned system can boot and run immediately.

If you want an easy and reliable OS clone software, EaseUS Disk Copy will never disappoint you. It is a dedicated disk-cloning solution for Windows users that can easily and quickly clone operating systems, entire disks, or specific partitions. Just download it on your PC and start cloning your disk or Windows OS!

FAQs on OS Cloning Tool Free Download

1. Is EaseUS Disk Copy free?

No. Although EaseUS Disk Copy is free to download, it is paid software. If you want to clone a disk, you need to upgrade to its paid version.

2. What is the difference between system clone vs disk clone?

System clone copies only the OS and boot partitions for migration to a new drive (like an SSD), creating a smaller, bootable image for OS upgrades or hardware changes, while a disk clone copies the entire physical disk - all partitions, OS, data, and files - creating a perfect, larger replica for full backups or drive replacement, typically for the same hardware. System cloning is efficient for OS tasks, whereas disk cloning is for total drive replication.

3. Can I clone Windows from HDD to SSD?

Yes, you can clone your Windows installation from an HDD to an SSD and transfer your OS, programs, files, and settings without needing a new license. You can use dedicated cloning software like Clonezilla, Rescuezilla, or EaseUS Disk Copy.