Switching the system folder during an upgrade to Windows 10
Switching the system folder during an upgrade to Windows 10
You're thinking about upgrading your setup. Yes, you can switch the system folder from the HDD to the SSD during a standard Windows 10 upgrade without having to wipe the entire drive. Just follow the installation steps carefully and ensure you save all your important files before proceeding.
You're asking about the "System" folder and what it refers to. It could mean the operating system itself. You mentioned migration tools for moving from HDD to SSD, which makes sense if you're upgrading storage. A clean install is generally advised for a fresh start. If you're using Windows 8.1, a new installation would be best for better performance later.