With the publishing of newly HDDs and SSDs, more and more users choose to migrate OS to new drive instead of upgrading the whole computer to gain better performance.
Traditional way of upgrading hard drive would be clean install OS and applications from scratch with the help of installation media. The process is time-consuming and error-prone, cost much effort. But now, you have a way to transfer everything including OS and boot-related files/partitions from old drive to the new drive. In this guide, you’ll learn how to move OS to another drive easily via AOMEI Cloner.
Best OS Migration Tool for Windows PC/Server – AOMEI Cloner
Before learning how to realize OS transfer, it is important to find a reliable and trusted cloning tool. AOMEI Cloner, as a dedicated disk clone software, could be the best choice for Windows OS migration. It has unique advantages to help you out:
- Specialized system cloning feature: Offers System Clone feature to move OS and system-related partitions to target drive, ensuring successful boot.
- Intelligent cloning feature: By default, it only copies used space, which allows you to transfer OS to smaller drive.
- SSD aligning feature: Align SSD’s partitions to improve the disk’s performance when you migrate OS to an SSD.
- Bootable cloning feature: Allows you to clone operating system without booting up Windows with the “Bootable Media Creator” feature.
- Wide compatibility: Works well with NVMe, M.2, SATA SSDs, GPT/MBR disk, as well as popular SSDs like Samsung, WD, Crucial, Dell, etc.
AOMEI Cloner has an easy-to-use interface and supports Windows all versions including latest Windows 11 and Server 2025. Free download to give it a shot.
How to Move Windows OS to Another Drive Using AOMEI Cloner
Ready to upgrade? Here’s how to clone your OS step by step:
Step 1. Connect the new drive (HDD or SSD) to your PC via SATA-to-USB adapter or an enclosure. Backup critical data if needed.
Step 2. Download, install and run AOMEI Cloner from the official website.
Step 3. Select System Clone from the left-hand menu.
Step 4. Choose the destination disk since the OS and its related partitions are selected by default.
Step 5. Preview the settings and click Start Clone. Wait for it to complete.
Step 6. Replace the old disk with the cloned drive, or you can just change boot order in BIOS. If done correctly, you are successfully boot Windows from the new drive.
Advanced tips:
- With the Disk Clone feature’s guide, you can learn how to clone hard drive to SSD entirely.
- Check the SSD Alignment option if the target disk is an SSD.
- You can make an exact copy of the OS with the “Sector by Sector Clone” feature, requiring the target drive is equal to or larger than the source drive.
- You can resize partitions or convert MBR/GPT in the option “Edit Partitions”.
It is suggested to keep both drives temporarily for a week or so. Ensure stability before you wipe the old drive. You may use Disk Management or professional partition manager like AOMEI Partition Assistant to permanently erase all data.
FAQs About Moving Your OS to Another Drive
- Can I clone my OS to a smaller SSD?
Yes, as long as the SSD’s capacity exceeds the used space on your current OS drive. AOMEI Cloner automatically adjusts partitions.
- Will cloning void my Windows license?
No. The OS license is tied to your motherboard, not the drive. Cloning doesn’t affect activation.
- Why isn’t my PC booting from the cloned drive?
Check the BIOS boot order. If issues persist, use AOMEI Partition Assistant’s “Rebuild MBR” feature to fix boot records.
- Can I clone a damaged OS drive?
AOMEI Cloner’s sector-by-sector mode can recover data from failing drives, but backup first.
- Is it safe to clone while using the OS?
AOMEI Cloner can clone in Windows, but for system partitions, it will prompt a reboot to complete in PreOS mode.
Extended Reading: When Should You Consider OS Migration?
Moving your OS isn’t just for tech enthusiasts. Here are common scenarios for common users to upgrade:
- Capacity Upgrading: SSD offers faster boot times, better responsiveness.
- Failing Drive Replacing: Prevent data loss by transferring the OS before the old drive dies.
- Systems Consolidation: Merge a dual-boot setup into a single drive for better arrangement.
Cloning avoids reinstalling apps, drivers, and settings—saving hours of work. Plus, tools like AOMEI Cloner eliminate the risk of human error during manual transfers.
Final Thoughts
AOMEI Cloner turns to be a straightforward approach to move OS to another drive on Windows PCs and Servers, especially for SSD upgrades. Its focus on SSD optimization, user-friendly design, and reliability make it a standout choice.
Whether you’re a beginner or professional, this tool ensures your operating system gets moved safely to its new foundation. Follow the steps above, and you’ll enjoy a faster, fresher system without the headaches of starting from scratch.