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The Reliable USB Formatting Utility

UNetbootin (Universal Netboot Installer) is a cross-platform utility that can create Live USB systems and can load a variety of system utilities or install various Linux distributions and other operating systems without a CD.

Clonezilla is a free software disaster recovery, disk cloning and deployment solution.

Etcher is a free and open-source image burner with support for Windows, OS X and GNU/Linux. It makes USB and SD card image burning as simple and fast as possible.

KDE Partition Manager is a utility program to help you manage the disk devices, partitions and file systems on your computer. It allows you to easily create, copy, move, delete, resize without losing data, backup and restore partitions.

DriveDroid allows you to boot your PC from ISO/IMG files stored on your phone.

R-Drive Image is a potent utility providing disk image files creation for backup or duplication purposes. A disk image file contains the exact, byte-by-byte copy of a hard drive, partition or logical disk and can be created with various compression levels on the fly without stopping Windows OS and therefore without interrupting your business. These drive image files can then be stored in a variety of places, including various removable media such as CD-R(W)/DVD, Iomega Zip or Jazz disks, etc.

Install Disk Creator simplifies creating a bootable OS X installer.

android_usb_msd - Better and open source replacement for DriveDroidA helper application to set the Mass Storage Device gadget up in Android kernels

DiskImager - Windows Disk Imager. A C#.NET utility for reading & writing SD cards and USB devices

There are different ways to create a multiple Windows bootable USB stick. But most of them force you to perform mandatory disk formatting or scare with incomprehensible interfaces with many options. It can make you waste a lot of time understanding what to do and selecting important files and their subsequent saving on hard drive…