Now your Windows 10 USB installation is ready.Step 4: Once again launch the Boot Camp Assistant and click on Continue. On the next screen, assign the space to Windows partition. Again, copy WindowsSupport folder to the root directory in the USB installer. Click and then drag to select the files you installed and copy them. https://nzclever433.weebly.com/blog/usb-drive-download-mac-bootcamp-disk-..