The GUI is fine if you're only moving a few files, but for larger and more complex migrations, this built-in Windows utility is the way to go. There are many ways to get a file from Point A to Point B ...

It's fast, scriptable, and already on your machine.

I'm trying to figure out how to speed up my Robocopy file copies. My network is two Windows 10 PCs with Gigabit network cards, connected via a Gigabit switch. I've run the tests (A., B., C.) below.