How to transfer Windows 10 to new hard drive without reinstalling Windows?

2017-7-1, Posted by Admin to Windows Deployment Tool

Over time, it is unavoidable that there is not enough space in the Windows 10 system partition. This is because the installed programs, temporary files and caches generated by Windows 10 or other programs will consume more and more disk space. The end result is that the system is getting slower and slower, it will seriously affect your productivity. I'm sure many of us have encountered such a problem and many people have opted to buy a large disk and reinstall the entire operating system and applications. Yes, reinstalling Windows 10 is a choice, but it will take a lot of time and will affect your work.

Then the issue comes. How can we transfer Windows 10 to a new hard drive without reinstalling? The answer is very simple, you need a free system clone software, which can help you to transfer the whole Windows operating system files and installed applications to a new hard drive, saving you lots of time and work. Here we recommend that you use free system clone software WinToHDD to transfer Windows 10 system from old hard drive to new hard drive.


User Guide: How to transfer Windows 10 to new hard drive with WinToHDD?

1. Please use the following guidelines to prepare the partitions on the destination hard disk drive.

  • Booting BIOS-based computers: Please covert the hard drive to MBR partition scheme and create the system and boot partitions. The system partition can be FAT32 or NTFS format and the boot partition must be NTFS format. The system partition and boot partition can be the same partition.
  • Booting UEFI-based computers: Please covert the hard drive to GPT partition scheme and create the EFI system partition (ESP) and boot partition. The EFI system partition must be FAT32 format and the boot partition must be NTFS format.
  1. The destination boot partition must be 20% larger than the used space on source boot partition.
  2. If the destination system partition is FAT32 format, then it must be greater than or equal to 40 MB and less than or equal to 32 GB. (The recommended size is 100 MB.)
  3. Sector by sector clone option enables you to clone all sectors from source boot partition to destination boot partition.
  4. If you have formatted the wrong hard disk, you can use our Free Data Recovery Software Hasleo Data Recovery to recover your lost files.

2. Download, install, and run WinToHDD, then click the System Clone Icon button.

Select System Clone icon

3. Select the Windows 10 OS which you want to transfter in the drop-down list, you will see the detailed system information under it, click "Next" if you are sure.

System Clone icon

4. Select the destination disk in the drop-down list, then select the boot partition and system partition from the partition list, the selected partitions will be marked as red.

Select target partition icon

5. Click "Next". After clicking "Next", a pop-up will appear asking you if you want to build a WinPE image to continue. Click "Yes".

Need To Build WinPE icon

6. After successfully builded the WinPE image, WinToHDD will prompt you to reboot the computer, click "Yes" button to allow WinToHDD to reboot your computer.

Need Reboot icon

7. It takes some time to transfer. After the migration is successful completed, restart the computer and change BIOS to boot from your hard disk drive.


Follow these simple steps, you can transfer Windows 10 to a new hard disk drive with free system clone software WinToHDD easily.