
Also, make sure the USB drive you are using is at least 8 GB and that it has no important data in it. SourceForge is a leading reliable repository of such ISO files. We recommend Rufus, is a free tool that helps format and creates bootable USB flash drives. On the other hand, there are many free tools available to Create Windows 10 bootable USB from ISO. If you don’t have the ISO file, you can download it from the developer website. Bootable USB is important for Installing Windows 10 from USB because for USB we need it bootable. Note: This tutorial assumes you already have the ISO file. (You can also use Rufus to format a USB drive in FAT32, which isn’t possible with the regular formatting tool in Windows 10.) If you have downloaded an ISO image of another operating system, say Ubuntu Linux or Windows 10, and you wish to turn that ISO image file into a bootable USB installer drive using a USB flash drive or USB key, you’ll find the most reliable way to copy or ‘burn’ the ISO to that target USB volume is by turning to the command line of Mac OS X. The following steps show how you can use Rufus to quickly create a bootable flash drive in Windows. ISO to USB is a free and small software that can burn the ISO image file directly to the USB drives, these USB drives include USB flash drives, memory sticks and other USB storage devices, it also supports to create a bootable USB disk with Windows operating systems. In fact, Rufus is one of the few necessary tools that every Windows user should have in their software catalog. Of all the available tools, Rufus, a free and open-source application, is one of the best.

With Windows, there are a ton of software programs to help you create bootable USB drives. It is very difficult to find a CD/DVD rom nowadays, so most people prefer to use a bootable USB drive instead of a CD/DVD drive to install an operating system or software edition.
