How to create and run windows files on mac?

I hav a late 2016 MacBook Pro with MacOS and Windows 10 Pro dual systems installed on it, so far so good, but I only use Windows 10 Pro to play some games that cannot be run on MacOS. Now I'm trying to get rid of my Bootcamp installation, as of low space on main SSD drive. I noticed that WinToUSB can install Windows to a USB drive, can the Windows USB drive makes via WinToUSB be started from a Mac computer? How do I make it? Could let me know step by step for ( RUN WINDOWS FILES ON MAC ) using your tools.

Tutorial to make and run Windows to go on a Mac computer with WinToUSB.

Step 1. Download Mac boot camp Support Software for Windows visit, please refer to:
How to download boot camp Windows Support Software for Windows To Go?

Step 2. Copy the boot camp Support Software downloaded in the previous best step to the pc with an installed copy of WinToUSB, & connect the destination external hard drive or USB flash drive to this computer, then run WinToUSB.

Step 3. Click the ISO Icon button, then click the Browse Icon button and select the Windows installation ISO file from the open dialog box.

Step 4. WinToUSB scans for and lists available operating systems. Pleae select the edition of Windows you want to install, then click "Next".

Step 5. Select the destination drive in the drop-down list. If the drive isn't correctly recognized by WinToUSB, please click the Refresh Icon button for the program to recognize the drive.

Step 6. A pop-up will appear asking you if you want to format it to continue, select the partition scheme you want to use & click "Yes" to format it. Mac computer is a UEFI based computer, so you have to select the 'GPT for UEFI' or 'MBR for BIOS and UEFI' option because the partition scheme. If you choose "Keep the existing partition scheme", you need to manually prepare the partitions on the USB drive before this steps, & here is the customer guide on the way to manually prepare partitions for Windows to travel . Please note that the "Keep the prevailing partition scheme" option is valid only for an external disk.

Step 7. Select the system partition and boot partition from the partition list, the selected partitions will be marked as red, specify the directory of the additional drivers because the save path of boot camp Support Software, then click "Next".

Step 8. After clicking "Next", WinToUSB begins installing Windows.

Step 9. It takes some time to install. After installation, safely unplug the USB drive from the Windows computer, then connect the USB drive to the Mac computer you want to boot. If you have only the USB-C interface on your Mac computer, you will need to use the USB-C to USB Adapter to connect the USB device to your Mac computer.

Step 10. Power on the Mac computer, and then immediately hold down the option key, then select the USB drive and press Return to boot from it.

Step 11. Windows normal installation starts up and you have to finish all the installation steps. If the Mac's own keyboard or touchpad doesn't work, you have to use an external USB keyboard or mouse to complete the installation. after that, you can install Windows Support Software (Boot Camp drivers), programs, copy files, etc.

Now you know how to create and run Windows to go on a Mac computer with the simplest free Windows to go Creator WinToUSB, you can also use WinToUSB to clone existing Windows to a USB drive and then boot Windows from that USB drive on a Mac computer.