A system image is the safety net for any drive change. It captures Windows and its boot partitions in one file, so a failed clone never leaves you without a working system.
This guide explains how the image and the clone work together, what to check before the move, and how to restore the image if the SSD will not start.
A clone copies the live disk; an image captures it as a file. Use the image as insurance and the clone as the actual move, and the upgrade becomes reversible.

If the image was made months ago, create a fresh one. Windows updates and new programs make an old image useless for a current clone.

A common sequence is image, restore to a spare HDD, then clone that disk to the SSD. It costs one extra step and removes the risk of reading a damaged source twice.
Qiling Disk Master clones the system disk as Windows sees it, so the image and the clone share the same tool. Download it on the PC that will keep Windows 10.
Step 1. Open Qiling Disk Master, choose Clone, and then select Disk Clone.

Step 2. Select the Windows 10 disk as the source and click Next.

Step 3. Select the SSD as the destination and confirm that its data will be replaced.

Step 4. Review the layout, keep the EFI and recovery volumes, and tick Optimize for SSD.

Step 5. Click Proceed, wait for the copy to finish, then shut the PC down before you swap the drives.

If the SSD stops with an inaccessible boot device error, restore the image to the old drive, then retry the clone after repairing the boot entry. The repair steps are in Cloned Drive Wont Boot Fix.
No. An image is a file on another drive; a clone writes a bootable copy onto a disk.
Yes, with the recovery module. Many users prefer to restore to a spare disk and clone that.
The target must hold the partitions, not the original unused space. A smaller SSD works when the data fits.
Yes. The hardware is unchanged, so Windows 10 stays activated.
Keep it for at least a week. Delete it only after the SSD runs normally.
Before changing drives, create a full system backup. Qiling Disk Master creates an image you can restore from if the SSD will not start.
Step 1. Open Qiling Disk Master and select System Backup to include Windows and the boot partitions.

Step 2. Save the image to a drive other than the target disk and start the backup.

Step 3. Click Proceed to start the system backup and wait patiently until it finishes. You can also tick Shut down the computer when the operation is completed to power off automatically.

Step 4. If the SSD will not start, restore the image to a spare drive and boot from it.

A system image and a disk clone solve different problems. The image captures Windows and its boot volumes in one restorable file, while the clone writes a working copy onto the SSD. Create the image on another drive, verify it, then clone with SSD optimisation. If the copy fails, restore the image to a spare disk, repair the boot entry, and try again.
For more on Windows 10 moves, see How to Clone an HDD to an SSD on Windows 10, How to Clone Windows 10 to a Smaller SSD, Replace a Hard Drive with an SSD Without Reinstalling Windows, and Cloned Drive Wont Boot Fix.