NaturalReader offers a "USB Edition" for their paid subscribers. It is designed specifically for students who move between school and home. It requires a license but is officially supported to run without installation.
Enter —a hidden gem in the assistive technology world. While standard text-to-speech (TTS) software locks you to a single computer, the portable version gives you the freedom to take a high-end reading assistant with you on a USB stick. textaloud portable
This is the critical question.
Running TextAloud Portable is as easy as dragging a .txt , .docx , .pdf , or .epub file onto its window. It instantly imports the text and starts reading. NaturalReader offers a "USB Edition" for their paid