Make sure that the packaging has completed and that you aren’t running any files from the folder or have them open. You should be able to move the whole thing to a flash drive if it has enough room.
You might want to zip the folder before moving it to the flash drive.
I packaged my game for shipping and want to move it to another computer so I can test the multiplayer and have other people play it. When I move the WindowsNoEditor folder to the flash drive, it can’t copy over certain files. I try just moving the config and and content folders but that doesn’t work either. How do I move over a packaged game to another computer?