You can create a Windows USB installer on Mac with PassFab 4Winkey . Here's how:

Gone are the days when you could only install your Windows through a CD/DVD. Instead, the USB installer has slowly become the preferred method to install or repair Windows computers. In fact, with a bit of creativity, you can create a Windows USB installer straight from your Mac itself. 

And in this article, we’ll dive into the exact step-by-step procedure to do just that. Let’s get started. 

If you've ever created a bootable USB stick installer on Windows before, then the general process is that you must first get the Windows ISO file from Microsoft’s official downloads page and then burn this ISO file on your USB stick.

However, if you're a Mac user you can skip the process of downloading the ISO file manually, and let an automated tool handle everything for you. With the help of PassFab 4Winkey—a free Mac utility designed to recover your Windows account, you can do that with ease. Although the app was specifically made for account recovery, the app comes packed with additional features which can help you create a bootable USB stick. 

After downloading and installing the app, plug in an empty USB stick with a minimum size of at least 16GB, and then launch the app. Then select the USB Flash Drive radio box, and click on Burn.

As soon as you do this, a new dialog box about the trial version's limitations will open. Luckily, the trial version will let you download and burn the Windows ISO file. Click on Burn to move ahead with the process. 

The whole thing might take a while, as PassFab will first download the Windows files and then burn the ISO into the USB—all in a single go. 

But rest assured, your USB stick will be created in a few minutes, and from there, all you have to do is plug the newly created USB stick into your PC and complete the installation.   

Creating a Windows USB installer on your Mac has never been easier. With the PassFab app, you can now see that for yourself. While this method will work on all Macs, if you’re using an old Intel-based Mac, you can also create a Windows USB installer through Boot Camp—a free app jointly created by Microsoft and Apple for this very purpose.