Not widely known by PC users, is that there is an option to boot from a USB drive within a running Windows 11/10 OS installation. Here's how!

In this how to, we shall learn how to dual boot Linux with Windows, using Ubuntu and Windows 11. Before we kick-off, a word of caution. Ensure that you have backed up your drive before moving ...

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.

To reinstall Windows using a recovery image, boot from the installation media, choose Troubleshoot from the Windows Recovery Environment, and then choose Recover From A Drive.