But in fact, creating Windows bootable USB on Mac isn't as straightforward as you think, in the creating process, naturally there will be a variety of problems. As a Mac users, you might know that Apple provides an custom-tailored solution called Bootcamp to help create a Windows bootable USB. Regardless of the causes, you need to first create a Windows 10 bootable USB from ISO on Mac OS. Many times you want to install Windows 10 on a Mac computer with the intention of running your favorite windows games, applications which don't have a version for Mac OS, or solve some Windows issue especially for boot-related issues.