From Aomei Tech:
System migration is a method of quick configuring system on a new hard disk device (HDD/SSD). Migration of system can also decrease downtime, while the old storage device is replaced with a new one (such as SSD). Based on the two points, migrating system from one disk to another is the most effective way to upgrade hard disk. With Free AOMEI Partition Assistant for System Migration Tool, the operation of migrating could be simplified. You need not worry about complex and risky operation; the handy intuitive wizard performs fast and safe Windows migrations to new storage devices (HDD or SSD), go with automatically partition aligned and manually partition resized in the process.