Possible to put multiple iso files on one bootable usb flash drive from windows 11?

WinSetupFromUSB is a free, Windows-based multi-boot USB creation tool offering native support for both legacy BIOS and UEFI boot modes. Compatible with all Windows versions, mainstream Linux distributions, and various PE maintenance images, its core value lies in enabling users to effortlessly put multiple OS on a flash drive. This eliminates the hassle of frequently swapping boot drives, allowing a single USB device to fulfil diverse requirements such as system installation, fault maintenance, and multi-system testing, making it a classic free tool for such scenarios.

How to put multiple OS on a flash drive

Step 1: After downloading and extracting the latest compressed package from the official website, run the main program as an administrator without needing to install it.

Step 2: Insert a 16GB+ high-speed USB 3.0 or higher flash drive, preferably formatted as NTFS.

Step 3: In the program interface, select the target USB drive from the dropdown menu and check the Use FBinst for Auto-Formatting option below to automatically format and configure the bootloader.

Step 4: Click Browse for the corresponding system, select the local Windows/Linux/PE ISO image. Multiple image files may be added simultaneously.

Step 5: After confirming settings, click Go. Await completion of image writing and boot configuration. Proceed upon success notification.

Step 6: Safely eject the USB drive. Insert into the target computer, enter BIOS/UEFI settings, set USB as the first boot device. Upon startup, select the corresponding system to boot.

This classic tool, though not without its minor flaws, excels in being both practical and free, making it a highly cost-effective choice for installing multiple operating systems from a single USB drive.