Yes, you can install Windows 10 boot files onto an SSD.
Yes, you can install Windows 10 boot files onto an SSD.
I just tried it and you can pick SATA drives via UUI (Universal USB Installer) with support for Windows 10. You can find it at the provided link. It allows cloning your drive as described, though I usually suggest fresh installs. This is just my opinion.
Yes, you can download the ISO file onto your SSD and use the setup process that way.
I’m not sure about that, I don’t think so, yet why would MS provide the creation tool? I might be mistaken here, but I’m still relying on my own reasoning instead of certainty.