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Copy OS to SSD | Clone HDD to Smaller SSD

Updated on Nov 30, 2018 by Abby Haines to Partition Manager

Have problems with cloning HDD to smaller SSD? EaseUS partition tool supports to clone system partition to copy OS to SSD instead of clone the entire HDD to save your disk space.

Can I copy OS from HDD to SSD?

I am currently trying to replace my 1 TB Western Digital Blue SATA HDD with a 128GB SSD for better performance. As you can see, the SSD will be lack of sufficient storage space if I clone the whole HDD. So I figured that I could only clone the system partition to copy OS to SSD and keep everything else on the HDD. I have looked on the Internet for a solution for a long time but I couldn't seem to find a reliable one. Can you help?

Why you need copy OS to SSD?

Usually, transfer OS from HDD to SSD can be a slow and painful process. It might cause an issue and cost you an entire day even a weekend or longer to reinstall all your applications and settings. EaseUS partition tool is a professional software allows you to safely transfer all data on system and boot partition from HDD to SSD with its "Migrate OS to SSD/HDD" feature. It is easy-to-use and making system transfers easy and safe.


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 Windows 10 is supported


Step 1: Run EaseUS Partition Master, select "Migrate OS" from the top menu.

select migrate os

Step 2: Select the SSD or HDD as the destination disk. Then, a warning message tells that the data on the target disk will be erased. Click "OK" to continue.

select the destination disk

Step 3: Preview the layout. If the target disk is an SSD, tick the "Check the option if this is an SSD" option. Then Click "OK".

preview the lay out

Step 4: A pending operation of migrating OS to SSD or HDD will be added. Execute the operation and click "Apply".

apply the process

To boot from the SSD/HDD:

  • Restart PC and press F2 or F8 to enter BIOS settings.
  • In the Boot option, select new HDD/SSD as the new boot drive and save all the changes.
  • Exit BIOS and restart the computer, you should be able to see Windows 10 running on your new disk without any problems.
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 Windows 10 is supported