Why you need to copy OS to SSD only?
SSD has better properties than the traditional hard disk drive (HDD). Thus, many users want to upgrade their hard drive to SSD. However, SSD is more expensive than HDD, and users would like to migrate OS to SSD but keep other data on HDD still. Copy OS to SSD only would migrate operating system to SSD without reinstalling Windows.
How to copy OS to SSD only in Windows 10/8/7?
To copy OS to SSD only in Windows, you should find a software to do it simpler. The AOMEI Backupper should be the best one that can make an exactly copy for Windows operating system partition. You can use its feature System Clone under the Clone tab to clone OS to SSD only in Windows 10/8/7. Install and launch AOMEI Backupper, click Clone-> System Clone, and follow the hints to operate it step by step.