It looks like you’re looking for a guide on — a popular tool for creating multi-boot USB drives (Windows installers, Linux live CDs, utilities, etc.).
: Ensure all important data on your USB drive is backed up, as the formatting process will erase everything.
Preparing disks that could boot in both Legacy BIOS and (U)EFI modes. Integrated Drivers:
Windows installation images (XP, 7, 8, etc.) or Linux distributions.
to prepare the USB drive's MBR or PBR, making it highly compatible with various BIOS types. Virtual Testing: Includes an integrated QEMU emulator