How to Create Multi-Bootable USB and Single-Boot USB Drive

1. Creating a Single-Boot USB (One OS) A single-boot USB contains only one operating system, such as Windows or Linux. Steps: Download the ISO file Get the ISO file of the OS you want (Windows, Ubuntu, etc.). Use a USB Bootable Tool Download Rufus (Windows) or BalenaEtcher (Windows, macOS, Linux). Plug in the USB Drive Insert a USB drive (at least 8GB recommended). Create the Bootable USB Open Rufus. Select your USB drive. Choose the downloaded ISO file. Click "Start" and wait for the process to finish. Done! …