Creating a Windows 10 bootable USB drive is something you should definitely do if you own a Windows computer. The backup media can save you time and a headache if you ever need to reinstall Windows.

You can also use this drive to rescue data from corrupt Windows systems. Here’s how to create a live USB stick of Linux distributions from Windows, macOS and Linux.

If you’d rather make your own, however, this guide will show you two different ways to create a USB flash drive that works just like a Windows 10 DVD.

Install Windows 10 on a device with UEFI support by following our steps to create a USB bootable flash drive with UEFI support using the Media Creation Tool and Rufus.

But I recommend a slightly different approach: Use the option to download the Windows 10 installer as an ISO file, and then use that file to make bootable installation media.

Perhaps they referenced this guide to create a bootable Live USB on Windows, allowing them to test drive something like Ubuntu without making any changes to their PC.