If you are looking for a completely free tool to manage ISO files or create bootable USBs, consider these highly-rated open-source or freeware alternatives:
A lightweight, free-for-personal-use tool that allows you to directly edit ISO files, add/delete files within an image, and create ISOs from folders. uubyte iso editor license key free
UUByte ISO Editor is a paid commercial software there are currently no official "free" license keys available . While you can download a free trial version official UUByte website If you are looking for a completely free
: An open-source tool that allows you to copy multiple ISO files to a single USB drive and boot from them directly. UUByte ISO Editor is a professional Windows tool
UUByte ISO Editor is a professional Windows tool designed for creating, editing, extracting, and converting ISO files. It allows users to add or delete files inside an ISO image without needing to burn it to a disc or remaster from scratch. Key features include: