Create a bootable NTFS drive on mac
The Windows 10 ISO file you download from Microsoft is not the same as the Windows 10 ISO file created using the Microsoft media creation tool.
The following steps can be used to create the Windows 10 installation media for a PC.

Install VirtualBox.

Note: This is free product.


Go to the link https://www.microsoft.com/en-us/software-download/windows10 and download the Windows 10 ISO.

Create a Windows 10 virtual machine.

Note: You do not need a license (product key) to create and temporarily use this Windows 10 virtual machine.


From the virtual machine, Go to the link https://www.microsoft.com/en-us/software-download/windows10 and download the Windows 10 media creation tool.

Note: This web page, given in the above link, can not be viewed from Safari unless you select an User Agent such as Microsoft Edge.


Run the media creation tool to either download the Windows 10 ISO or write the installation files to a flash drive.

Note: Access to a flash drive will require the installation of the VirtualBox Oracle VM VirtualBox Extension Pack.


If you used the media creation tool to download the Windows 10 ISO, then transfer the ISO back to macOS and burn a DVD.


I should point out that if the laptop has Windows 7 or a newer version of Windows, then there is a good chance you could upgrade to Windows 10 for free.