Creating a Windows bootable USB on macOS is not at all easy as it has some technical techniques attached! Some unknown issues may arise where you can't take control of. But SYSGeeker UltraDMG makes it so easy to do all the steps of this thing, no command link, no risk. Now, let's see how to create a Windows bootable USB on a mac computer with UltraDMG tool.
Step 1. First of all, you need to download the WonderISO tool on a computer, (Windows and Mac are all available), here we will take macOS as an example. After you downloading, install and run it.
You can see there are 5 functions in the program. Burn, Extract, Create, Edit and Copy from Disc. 'Burn' option allows you to create a windows bootable USB install. Now, let's click 'Burn' option to enter the next Window, import your ISO file to the program and insert your USB or DVD/CD.
You can select a booting mode: MBR or UEFI based on your computer mainboard, then click Burn button to start writing ISO image to USB or DVD/CD.
See this video tutorial about how to create a Windows 10 bootable USB install on macOS.
Once your bootable USB installer is ready, just remove it and insert to your Windows computer, and configure the boot order in the BIOS in order to make your computer boot from USB drive. These instructions will also work for Windows users who are running Mac OS X on a virtual machine.